It drives some RG-6/U 75 ohm "TV" coax that I had on hand, down to the bias tee and receiver. Touch the alligator clip that leads to your antenna wire to the top of the coil. Key Features and Specifications It is a compact antenna with wide bands for scanners and scanning receivers with a frequency of 25-1200Mhz. An internal antenna consists of small-diameter insulated copper wire wound around a ferrite core. The various bands that a typical scanner radio picks up include the police department, the fire department, racing cars, helicopters and more. 10 Whistler Desktop Digital Scanner. The whole antenna just needs to be re-oriented to vertical polarization. These helpful Elmers (ham radio mentors) may be willing to loan or demonstrate a radio so you can experience different styles of operating before making buying decisions. VALLE HERMOSO, Tamaulipas — State authorities located and knocked down clandestine radio communication equipment used by the Gulf Cartel near the border with Texas. Puxing radio serial interface schematic, easy to make 6 way broadband RF distribution 20dB coupler Antenna 1/4 wave for 940 to 980MHz easy homemade Antenna height measurement made easy PA Stage temperature controlled FAN speed controller Automatic Antenna Motor Lift system 1:1 Current Balun using 4C6 core for HF antenna. Be-Bop- Radio control signals. Probably not for several reasons. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Translators and Boosters Opens a New Window. This is the Antenna Specialists "Super Scanner", an electrically phased combination beam/omni antenna. This wholesale distributor catalog contained radio & electronic equipment, amateur radio & communication supplies, sound systems and service parts. This antenna was marketed as the answer for those people who wanted to run both a directional beam antenna, and an omni-directional ground plane antenna, but either could not afford to, or did not have the space to put two separate antennas up. 700~900MHz UHF Band Flexible Whip Rubber Ducky Great improvement over factory standard antenna 7-inch length BNC Connector (Standard BNC) Works with: Uniden: BCD536HP, SDS200, BCD996, BCT15X,. The discone antenna or discone aerial is often used where. Icom d-Star Radio Repeaters. What is the characteristic impedance of your antenna, and that of the scanner? If one (or both) are a nominal 75 Ohm impedance, you may do better with the RG-6 cable, to match their impedances. be sure to make provisions for unhooking and grounding the antenna when not in use. During assembly the user chooses any of the three pre-drilled holes to tune the 20/15/10M SWR dips to the low - mid. You are here: Home > Accessories > Antenna Accessories > Pre-Amplifiers. The formula to calculate the length of the antenna is 147/frequency in MHz, this gives the total length of the dipole in metres. Even better, many of these repeaters are powered by solar or have built-in power backup, making them perfect to keep communications going in times of emergencies. 25 new & refurbished from $38. Virtually any wireless function can be performed with this WiFi Access point, Repeater, Client Bridge radio. 8 MHz, 1/4 wave, low profile VHF roof mount antenna. 64 product ratings - TRAM (R) 1410 Tram (R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone Base Antenna. If the group is supporting a public-service activity, such as a. At Walmart, you can find a wide selection of CB radios and CB scanners from top brands for less. Although your car antenna is designed to receive signals, adding a splitter and making the necessary SWR adjustments are what’s necessary to make it work with a cb radio. Rusted, corroded, or loose antenna hardware. 48-Inch - Stainless Steel Whip Antenna Element. A ham radio station uses a modem like (or ethernet like card) device called a terminal node controller ( TNC ) to send the packet to a neighboring stations. 14 Feb 2020 by Project25_MASTR. 10 Whistler Desktop Digital Scanner. Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. Manufacturer: This item is a Special Order Part. Compact in size but not as easy to take on the go as handheld models. Listening to radio scanners has been a hobby for as long as scanners have existed. Click for Owners Manual. Frequency ranges: 150MHz-174MHz Vhf, 440MHz-490MHz Uhf, 800MHz-1,000MHz 18 in. 62-Inch - Replacement Antenna Whip Stinger. To replace the antenna on a Ford Focus remove the antenna from the base using a screwdriver. Although The Radio Shack, "New England's Oldest Amateur Distributor", had been in business since 1921, they did not release their first catalog until 1939. Oct 31, 2015 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. VHF 1/2 Wave Antenna (VHF 144-174Mhz) Part #VHF-1/2W-SPR. FREE Shipping on orders over $25 shipped by Amazon. 700~900MHz UHF Band Flexible Whip Rubber Ducky Great improvement over factory standard antenna 7-inch length BNC Connector (Standard BNC) Works with: Uniden: BCD536HP, SDS200, BCD996, BCT15X,. Broadband Coverage: 30-1200 MHz Citizens Band: 26. The New RemTronix REM-830B Base Scanner Antenna for Uniden SDS200 is similar to the REM-800B, but with a hinge for base Scanners. The ARRL makes a "antenna book" with lots of great suggestions to "homebrew" wire antennas. All of these parts are housed in a plastic case. Make this link a must read. If you have a little time, you. Please sign in to view stock. Add to Cart. You need an antenna that receives signals from all directions - called omnidirectional. I live in a fringe area about 20M out of town, so a dual band j-pole is a must. Tuned to the 150-160 MHz public safety band, it will excel on these frequencies, but will also easily receive signals along the entire 136-174 MHz VHF High band. Police scanner antennas for home, vehicle or on-set Uniden & Whistler scanners. We believe that high-quality TV antennas will deliver. As you trace the general path of the satellite with the antenna, move the antenna around in small side to side and up and down motions until you hear a bit of audio. We're building a biquad antenna feed because it offers very good performance and is pretty forgiving when it comes to assembly. Some excellent police scanners are even better designed for crises than other options. Often this is going to depend on the antenna, so make sure to get a scanner with the reliable antenna installed, no matter if you're using a handheld or base scanner. Enter one (only one) value, the desired frequency or the antenna length in any length field. 24-Inch - Replacement Antenna Whip Stinger. Radio signals weaken when their battery is low. Special Price $28. NGP (No Ground Plane), 1/2 wave base loaded antenna. Broadband Coverage: 30-1200 MHz Citizens Band: 26. The major reason is, the magnets collect all manner of metallic brake dust, and other pollutants. You can even make one up using the plans in the ARRL antenna book. No pre-amp, filter or other receiver refinement offers anywhere near the level of performance improvement t that a well-designed antenna offers. IOAK-TB-V/U/C Interoperable Antenna System. amateur-radio-portable-antennas. To hear most of the police , fire and ambulance conversations and the 911 center, you need a new digital trunking scanner with P-25 format abilities. Software - For all scanners with a PC connection we highly recommend scanner software which will make programming easier and operation more enjoyable. Bear Cage- Police station or jail. IF the CB antenna is 7' long or shorter, then the reception may not be as good as a scanner antenna. Available Owners manual, schematics and service manuals for most radios, uniden scanners and also scanner antennas, bearcat scanner and other items and options can be found by clicking "View Detail" on item. Scanner antennas include police scanners, wi-fi scanners, search-and-rescue communication equipment and amateur radio scanners that seek out any signal. Installed on a Uniden BCD325P2. 5 out of 5 stars 66. Uniden - 800MHz Base/Mobile Scanner - Multicolor. Do not use any form of glue to fix the screws on the battery clip. The Antenna Ball Store now features such a large variety of them including Mickey Mouse, Minnie Mouse, Donald Duck and more! You can also find toppers for the NFL fan in your life as we now carry a cool topper for each of the NFL teams such as team helmets, team foam fingers, team mascots, and more. June 30, 2015. Scanner antennas may be used by those who wish to listen in or so that parties like first responders can respond to it. Use 50-ohm coaxial cable to connect your scanner to the outdoor antenna. Now is there a difference in reseption if I raise the antenna part-way (say 17 or so inches) verses all the way up?. So much for training the Iraqi police. All antenna brands & bands. New Procomm Spider home base station scanner antenna with 50 ft. Searching for a replacement handheld antenna? Looking for improved efficiency and range? Tune in to our selection of handheld and scanner antennas for 900 MHz, 220 MHz, 23-centimeter, 33-centimeter, 70-centimeter, and 2-meter operation. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Solid Signal, connecting you to your signal solutions. MOUNTS ON 1-1/4" POLE OR FLAT SURFACE. Most special order parts will generally ship. Traditional two-piece radar units send a low-level Doppler audio signal from the antenna to the counting unit for. Base Station -Radio installed at a fixed location, house, etc. Notes: Order By Description. Ham Radio Antenna Wifi Antenna Radio Shop Hf Radio Ham Radio Operator Radio Band Cool Wood Projects Electrical Projects Diy Speakers Five Band Indoor Magnetic Loop Aerial. They consist of a coil of wire wrapped in a rubberized-plastic exterior. The H-422 is a broad-band, compact, rotatable dipole designed to offer excellent performance even when mounted at only 10-15ft above ground in a V or horizontal configuration. Unlike the general retailers, at Scanner Master Police Scanners we are available by chat, e-mail or phone to work with you directly to find the right police or fire scanner to fit your needs and we are also available to program your scanner so it will have the latest operating system and database and will work right out of the box. When you're looking for radar detectors, two-way radios, digital tuners, CB radios or CB scanners, come to Walmart where you can find those and more at Every Day Low Prices. The main features include coverage of both VHF and UHF frequencies, Close Call RF for location-based scanning, and a storage of up to 300 channels. 14 Feb 2020 by TexasMale. Never miss out on your local channels. 14 Feb 2020 by Project25_MASTR. They are proud to offer the Scanner Trunk/Hole Mount Antenna Kit with BNC-Male Connector. 2 dB gain on UHF. Made from scraps i had in my junk box. Keep your personnel in contact with two-way radio headsets, earpieces, microphones and two-way antennas in different sizes, styles and frequencies. Make sure Atten is off (greyed out) 3. I have used my scanners with both mounted and portable antenna's. This antenna works great on the AM band because of the properties of these frequencies. At Walmart, you can find a wide selection of CB radios and CB scanners from top brands for less. Things You'll Need. one quarter (1/4) wave is the minimum height. Turn on notifications to receive alerts anytime a scanner has more than 2000 listeners (find out about major events as they're breaking). The J-Pole as a scanner antenna focuses it’s frequency range on a smaller part of the spectrum. The current Tetra radios do not need an external antenna, so most Police vehicles have few if any antennas fitted. Use extensive filtering features to. 188 product ratings - Uniden BC355N Bearcat 800 MHZ Base Mobile Police Fire Weather Emergency Scanner. First a simple 20 foot wire attached to your radio will work and receive stations on your old radio. The antenna was off defunct car tracking unit of some time. The easiest way to connect your rig to your antennas is to use 50 ohm coax such as RG-8, RG213, RG-58, or my favorite, LMR-400. Product Code: 01-541955. This entry was posted in Antennas, Base Antennas, Indoor Antenna, Scanner 101, Scanner Tip, Scanner Tip of the Day and tagged 700 MHz, 800 MHz, Base Antenna, Police Scanner Antenna, Roof Top Antenna, Scanner Radios, Scanner Tip, Scanner Tip of the Day, Scanner Tips by Rich Carlson. Build A Simple VHF/UHF Scanner Antenna - A Police Scanner Antenna For The Price of Parts!. During assembly the user chooses any of the three pre-drilled holes to tune the 20/15/10M SWR dips to the low - mid. Make sure you enable the appropriate service types (Law-Dispatch, Law-Talk, Law-Tac, Fire-Dispatch, Fire-Talk, Fire-Tac) etc. Features 300 channels and fast scanning of up to 100 channels at a time. With permission from an adult, unscrew one bolt that. 1 - SO-239 coaxial connector. All of the devices they offer are outfitted with the latest technology and are. Product Overview ANTENNA: BNC AT124 NON Folding Compatible With The Following Models: BC278CLT, BC350A, BC350C, BC355C, BC355N, BC340CRS, BC365CRS BC370CRS, BC700A. The squash button works to suppress static, while the W/X button allows you to do a quick search of NOAA channels, and other types of pre-programmed frequencies. This calculator is designed to give the vertical length (height) of a particular whip type antenna, or the frequency of it. Antenna - Internal ferrite rod / telescopic with sockets Batteries - 2 of PP9 9V Dimensions 12" wide, 9" high, 5" deep Price £125 UK Delivery £11 Most of EU £22 - £35 GBP Sorry this white Hacker radio has gone. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. Easy to assemble and install. Today's radio consists of an antenna, printed circuit board, resistors, capacitors, coils and transformers, transistors, integrated circuits, and a speaker. CB Radios and Police Scanners. 30-2000 MHz, F-connectors, supply voltage range 11-13V, powered via separate wire. Kindergartens, Middle Schools, High Schools, (K-12), Private Schools, Public. It is inversely proportional to the frequency which means the wave with higher frequency will have shorter wavelength. Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty. IF the CB antenna is 7' long or shorter, then the reception may not be as good as a scanner antenna. The solvents in the glue may cause damage to the battery casing. Features 300 channels and fast scanning of up to 100 channels at a time. Click on Calculate and the opposite value will be displayed in feet and inches or frequency in megahertz (Mhz). Toll Free in the United States. Bear Bait -Speeding car. This 55 inch high omni-directional antenna easily mounts to any mast (not supplied) with supplied hardware. Carryout available. The upper bracket is 4. Be-Bop- Radio control signals. For portable scanners you can buy antennas tuned to specific bands (such as 800 MHz) for improved trunking performance for example, but other bands will suffer. Made from scraps i had in my junk box. LNA-2000-B Pre-Amplifier Low noise antenna preamp. 2 Choosing a Ham Radio what works best in your area. You can also use the bracket to attach an antenna that uses a PL-259 type connector. WIDE BAND Antenna for Uniden Police Fire Scanner BCD 396 XT 436 hp 346 XTC. The radio modem built in AT ZM13. This wireless antenna is multi-polarized. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. Family recipes. YOU are an antenna! If you improve reception by standing near or touching the radio or antenna, your system is telling you it needs a better antenna. GPS Signal Blockers (22) Wifi Signal Blockers (39) Bluetooth Blockers (7) Wireless Video Blockers (6) VHF/UHF Blockers (12) DCS PCS PHS Blockers (17) Radio Frequency Blockers (8) Audio Blockers (3) Handheld Signal Blockers (13) Wall Mounted Signal Blockers (8). Scanner Antenna: This is a simple but sensitive Home Made J-Pole Antenna that works great when You are limited as to a place to mount an external antenna !What You Will need: 1( 48 1/4 " twin lead wire2( Measuring tape3( Exacto knife or similar cutting tool4( elec. Although your car antenna is designed to receive signals, adding a splitter and making the necessary SWR adjustments are what's necessary to make it work with a cb radio. The dish helps focus the radio waves onto a directional antenna feed. This antenna come with BNC type connector, work with radio or scanner with BNC type connector, or use suitable antenna adapter to convert for other type radio use. Connecting A Scanner Antenna To The Car Radio Antenna. Reliable model that functions as a mobile or stationary police scanner. The antenna is made from an old can, 2-turns of copper wire, and a plastic insulator to hold the turns in place. 2Ghz Black Glass Mount Scanner Antenna. It amplifies all weak AM signals, so a powerful local station might be heard over your entire AM radio dial. 5 out of 5 stars. Try repurposing a TV antenna you already have; use an FM splitter to use it on your radio. Designed for Mobile HAM Radio and Scanner the MultiPolarized Super-M Classic Mobile antenna offers a light weight construction and is easily mounted on any vehicle. The first part is the actual making of a functional radio, and the second part is making the whole arrangement look nice. 5kW balun are included. Availability: In stock. Other Names: Satellite Antenna, Antenna, Antenna Assembly; Description: Without communication system. CB Radios and Police Scanners. Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. This (amongst other things), can alert the driver to issues ahead of them on the road. Nu-Tronics is the only dealer that offers its customers an all inclusive prices. Unlike the general retailers, at Scanner Master Police Scanners we are available by chat, e-mail or phone to work with you directly to find the right police or fire scanner to fit your needs and we are also available to program your scanner so it will have the latest operating system and database and will work right out of the box. For a Base station other than a homemade groundplane antenna, with more gain you can get a Grove Scanner Beam antenna that covers the VHF-lo at unity gain, VHF-hi 4-6db gain, UHF-lo band at 6-8db, and UHF-hi (800mhz band) 10-12db gain. When you're looking for radar detectors, two-way radios, digital tuners, CB radios or CB scanners, come to Walmart where you can find those and more at Every Day Low Prices. The simple setup is a huge selling point for beginners, especially considering many competing models can be very complicated to use. In order to avoid such interruptions, learn how to make a homemade FM radio antenna all by yourself. Radixon Group is an R&D based company, with accumulated wealth of engineering experience in RF design, digital hardware design, DSP and application software. Uniden Radio Scanners. Tuned to the 150-160 MHz public safety band, it will excel on these frequencies, but will also easily receive signals along the entire 136-174 MHz VHF High band. The PoliceOne Police P25 Radios product category is a collection of information, product listings and resources for researching P25 Radios. Why would you ever need to make yourself into a portable human antenna? Well how about for Police, Fire Fighters, First Responders, Field Researchers, Military and FEMA?. Includes various antenna elements that are designed for the multitude of frequencies your police scanner will operate on. Accordingly, lots of people think the other antennas are not tunable and so they make no attempt to have the antenna tuned. BNC 800 MHz REMTRONIX REM-830B Base Antenna (back of set) Flexible Whip rubber ducky design, minimum +6dB Gain over standard antenna. 10 product ratings. Well, I received the RHWA-450-SBM antenna on the 22nd. One development of the doublet antenna for ham radio communication applications os the G5RV antenna. Locally owned. It doesn't pick up a lot of frequencies so I would like to know if an outdoor digital TV antenna would give me better reception. Free shipping, programming, $0 tax, best price guarantee, easy returns, free lifetime technical support. It has +6dB minimum gain over a standard antenna. Broadband Coverage: 30-1200 MHz Citizens Band: 26. For a Base station other than a homemade groundplane antenna, with more gain you can get a Grove Scanner Beam antenna that covers the VHF-lo at unity gain, VHF-hi 4-6db gain, UHF-lo band at 6-8db, and UHF-hi (800mhz band) 10-12db gain. 700~900MHz UHF Band Flexible Whip Rubber Ducky Great improvement over factory standard antenna 7-inch length BNC Connector (Standard BNC) Works with: Uniden: BCD536HP, SDS200, BCD996, BCT15X,. Are you having issues holding a radio connection in your car? Get a new Genuine Ford Antenna, it'll sound as crisp as it did the first day you got your car. Shelly Bautista teaches Pre-K at Carson Street Elementary, which serves a low-income neighborhood in Los Angeles where at least 85 percent of students are English-language learners. Materials make no difference: any type of wire is good, as long as it keeps its shape. Whip antennas 1/4 wavelength long or less (the most common type) have a single main lobe, with field. Scanner antennas include police scanners, wi-fi scanners, search-and-rescue communication equipment and amateur radio scanners that seek out any signal. Sep 22, 2018 - Explore 18wlrteacher's board "Ham radio", followed by 487 people on Pinterest. All antenna brands & bands. Scanner + CB Radio combo! All new from Uniden and in stock for immediate shipping, the Uniden BearTracker 885 is a combination of the Uniden 880 CB radio and the Uniden CB radio scanner, all in the same housing. To do this, I stand on a rooftop and tune a handheld multiband radio while tracing the orbit of a satellite or the ISS with my homemade yagi antenna. Best TV antenna for cord-cutters in 2020, starting at only $10. 10 Whistler Desktop Digital Scanner. This calculator is designed to give the vertical length (height) of a particular whip type antenna, or the frequency of it. 1 automatic rebroadcasting station with 25 Watt. Please note some adblockers will suppress the schematics as well as the advertisement so please disable if the schematic list is empty. Austin did their homework on this one. For home or office scanners we recommend a base station antenna, such as the Discone for all-band monitoring. This highly rated Android scanner lets you listen in on live audio from over 7,000 police radio scanners, fire scanners, and amateur radio repeaters worldwide, mostly in English-language nations. Locally owned. Materials make no difference: any type of wire is good, as long as it keeps its shape. All contributors are listed on the credits page. 10 product ratings. Listening to radio scanners has been a hobby for as long as scanners have existed. Works well with handheld HT radios, base stations, and repeaters. Easily enter and store frequencies for police, fire/emergency, marine, air and more into 500 channels over ten banks. most people overlook this part of listening to a scanner. If you want to use a wide band UHF TV antenna, try a 4-bay bow tie, it has about 6dB of gain, a 15dB front-to-back ratio and resonates across a wide frequency range. Use Police Radio Scanner to listen to live audio from police, fire, aircraft, marine, train, weather, and ham radio sources from across the globe! Listen to thousands of stations and discover interesting new stations by using the world map. This aerial covers the 12 and 10 metre bands and is made from a single 3 metre length of 22 mm copper tube. The BMAXSCAN1000 is a unity gain all black scanner antenna from the PCTEL antenna products group. waterskier Member. #N#HF Receive Only Icom's IC-7300 vs IC-R8600? 14 Feb 2020 by prcguy. Searching for a replacement handheld antenna? Looking for improved efficiency and range? Tune in to our selection of handheld and scanner antennas for 900 MHz, 220 MHz, 23-centimeter, 33-centimeter, 70-centimeter, and 2-meter operation. Works well with handheld HT radios, base stations, and repeaters. Antennas are an essential part of radio telecommunications equipment, bridging the gap between electronic and electromagnetic signals. Make any mobile radio into a base station. Some cell phone users don’t know when to stop talking. 653 - Astatic Roof Mount Scanner Antenna. The formula to calculate the length of the antenna is 147/frequency in MHz, this gives the total length of the dipole in metres. It’s a rugged homebrew multi-band trap vertical antenna that works the and 20 meter amateur radio bands” See All Details : Homemade 11 Meter Antennas homebrew 11 meter antenna Condos/Homes 640 x 902 · 149 kB · jpeg 10 Meter Vertical Antenna This DIY 10 Meter Vertical preparation know how to solar 358 x 686 ·. Mobile radios can have 3 to 4 times. One Tauranga inventor has taken baby photos to epic proportions with a little bit of number eight wire ingenuity. Click on Calculate and the opposite value will be displayed in feet and inches or frequency in megahertz (Mhz). one quarter (1/4) wave is the minimum height. Tuned to the 150-160 MHz public safety band, it will excel on these frequencies, but will also easily receive signals along the entire 136-174 MHz VHF High band. It has +6dB minimum gain over a standard antenna. 2 dB gain on UHF. 5db gain antenna with BNC male connector which will significantly improve reception on 700/800 MHz, perfect for trunking systems. GigaParts - Your trusted source for Amateur Radio, Computers and More! My Account RigExpert AA-55 ZOOM w/Bluetooth Antenna Analyzer. We are available during the business hours below: Monday-Friday: 9:00 AM to 7:00 PM CST. Radio and Scanner Antennas. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Pin frequently used stations to the Start menu for easy access. If you live in a large metropolitan area, it should work well way beyond the UHF action frequencies also. Your price for this item is $ 79. A monopole antenna consists of a single conductor such as a metal rod, usually mounted over the ground or an artificial conducting surface (a so-called ground plane). Two-way radio accessories from Grainger give you better security. Please wash your hands and practise social distancing. 9 Uniden BearTracker Mobile Tracking Scanner. 64 product ratings - TRAM (R) 1410 Tram (R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone Base Antenna. They are proud to offer the Scanner Trunk/Hole Mount Antenna Kit with BNC-Male Connector. The scanner also features AM/FM clock radio with snooze and NOAA weather broadcasts. Nu-Tronics is the only dealer that offers its customers an all inclusive prices. Line of sight obstructions like tall buildings and hills. Things You'll Need. Yes, they make several scanner antenna's for cars. Make sure the antenna teeth engages the antenna motor by moving the antenna up & down. Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. There are 5300 radio stations from all around the world and it covers police, fire, weather, and amateur stations. Locally owned. The world of electronics, antennas and scanner radios can be a new realm of exploration and fun. Kevin Loughin 116,648 views. Bean Town- Boston, Ma. Don't take a chance on a lightning strike blowing up your radio. It will help improve. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. The (Chinese) Radio Documentation Project 4 Initial setup. Whether you are looking for a mount antenna. Form a three inch coil with seven turns. The ANTGAIN has an overall length of 39 inches with a handy antenna fold over feature and is rated at 140 watts maximum power. Try repurposing a TV antenna you already have; use an FM splitter to use it on your radio. (Antenna Coax) Remember that you need a place to mount it, like a TV antenna mast or vent pipe. I have been into the radio hobby since 1977. We offer scanner antennas, ham antennas, and CB antennas for your different applications! Check out our selection of base station scanner antennas, mobile scanner antennas, on-glass scanner antenna-, roof mount scanner antennas, magnetic mount scanner antennas, and more. If you're not convinced go online. If you don't have an antenna connected to your FM receiver, purchase a simple dipole antenna--a simple T-shape flexible wire-- and connect it to the FM antenna inputs on the receiver. Metal coat hangers are popular, multi-stranded or solid makes no difference. Antennas are an essential part of radio telecommunications equipment, bridging the gap between electronic and electromagnetic signals. 5” long and can make the radio a little awkward to use. at the best online prices at eBay! Free shipping for many products! Find many great new & used options and get the best deals for HG - Police Scanner Antenna. Building scanner antenna's can be both educational and informative as you are able to tune in aeroplane, police, fire, rescue, and ham radio communications. Many things in a house can affect reception, so as a first step, try your radio or antenna in different spots in the house. 38 new & refurbished from $86. "Police Scanner" antenna with gain. Add 25+4 = 29 miles for the visual distance. First of all,I have read where I can make a scanner antenna out of wire. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. The BMAXSCAN1000 is a unity gain all black scanner antenna from the PCTEL antenna products group. Pros-1600 channels located in 26 'categories' and 100 'groups'. Due to large volumes of email, I. Bean Bopper -Pillhead. Screw In Telescopic Antenna For Gre Realistic Etc. Kindergartens, Middle Schools, High Schools, (K-12), Private Schools, Public. I highly recommend a dual band radio and antenna for the new Technician Class ham as a starter station, most typically the 2m/440 combo with an antenna to match. First of all,I have read where I can make a scanner antenna out of wire. 2 Choosing a Ham Radio what works best in your area. If you want to really improve performance on a single radio band, check out our professional base station antennas, either omnidirectional or directional for. They are available for any band segment between 118 and 900 MHz, including VHF or UHF Airband and the commonly used public service frequencies between 150-850 MHz. Using 75 Ohm CATV Coaxial Cable. Unlike a traditional police scanner that requires a radio in close proximity, police scanners that access the internet are available for anyone with the right app or website link. Everything I needed I had in my junk box. Under auxiliary uses, wireless communications antennas it states that antennas used solely and exclusively for ham operation and television are are allowed as a matter of right and are excluded from this section. Remove the plug in wires and the plastic housing. 9 type in 97900000. A good antenna may be purchased as part of separate accessories. UNIDEN BEARCAT BASE SCANNER ANTENNA TELESCOPIC AERIAL - ANT32. Here are the dimensions of the antenna, 7. Outperforms many devices 10x its cost! These units are based on the R820 (R820T2) tuner IC made by Rafael Micro. Apr 29, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. 2 dB gain on UHF. Whip antennas 1/4 wavelength long or less (the most common type) have a single main lobe, with field. How to Build a Multiband Scanner Antenna. IOAK-TB-V/U/C Interoperable Antenna System. Add to Cart. For example if the transmitter antenna is 625 feet high and the receiving antenna is 16 feet high, square root of 625 = 25 miles, square root 16 = 4 miles. Remember that scanners do not need perfect impedance matches like a transmitter does. For higher frequencies, though, a discone antenna become fairly small and more than portable enough for a mobile. It may be smaller than most mobile antennas, but it is powerful enough to pick up signals without the need for an external base station antenna. 64 product ratings - TRAM (R) 1410 Tram (R) Scanner 25MHz-1,300MHz VHF/UHF Super Discone Base Antenna. A Discone is a good general antenna for the rtl-sdr as they are extremely wideband, and can be expected to be useful over almost the entire frequency range that is tuneable by the the rtl. Police scanner, radar detector, GPS, GMRS, FRS, cellular amplifier and antennas. Scanner antennas include police scanners, wi-fi scanners, search-and-rescue communication equipment and amateur radio scanners that seek out any signal. No pre-amp, filter or other receiver refinement offers anywhere near the level of performance improvement t that a well-designed antenna offers. Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. A monopole antenna consists of a single conductor such as a metal rod, usually mounted over the ground or an artificial conducting surface (a so-called ground plane). COVID-19 Virus UPDATE As one of the leading providers of police video and police speed enforcement equipment, we are committed to providing the necessary services and support to keep your vehicles fully operational. to perform adequately. Whistler Digital Trunking Scanner WS1065. Please wash your hands and practise social distancing. For FM, the first consideration is whether or not you only intend to receive stations from one geographic location. 5db Gain Base BNC Scanner Antenna (back of set) A 2. Replaced by the SCAN III. Length of the antenna is 18. How much better range can I achieve with an external antenna. But often the antenna that comes with the scanner (usually called a "rubber ducky") is hardly better than no antenna, particularly inside a steel vehicle or in an area of poor reception such as a city, valley, dense forest, and so on. The RL-Discone antenna's design was for receiving, but at the same time it is good for transmitting throughout the entire VHF portion of the amateur radio band. In 1940, the Connecticut State Police adopted a VHF FM two way system in the 39 MHz band, manufactured by Fred M. The scanner was great at High / Low VHF and UHF. Society prizes smaller and more portable objects nowadays, and the Procomm mini scanner antenna is the perfect definition of convenient. military, the State Department pulled out its last cop trainer on. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. They are available for any band segment between 118 and 900 MHz, including VHF or UHF Airband and the commonly used public service frequencies between 150-850 MHz. A radio antenna booster, or a signal booster of any kind, will help extend your two-way radio range. As to its use, one would connect an antenna to the converter and then connect the converter output terminals to the radio set's antenna terminals. Listening to the radio is a favorite pastime for many, besides the millions of others who love to have some music on, no matter what they are doing the whole day long. VHF UHF Police Scanner Antenna BNC&PL259 For Uniden Bearcat Whistler Radio Shack. Bell Helicopter, through its Aeronautical Accessories brand, has introduced an HF antenna for the Bell 407, after receiving approval from the Federal Aviation Administration. Solid Signal, connecting you to your signal solutions. I've have owned numerous scanner antennas, dating back to the mid-1970s, and have never had one as sensitive as this. At Walmart, you can find a wide selection of CB radios and CB scanners from top brands for less. The antenna instantly and dramatically boosts the AM reception of any portable radio, home stereo receiver or table top radio, by simply placing the antenna near your radio and tuning it, or, with this model, allows you to hard-wire the antenna to your home stereo receiver or table top radio with twin lead attachment. Be-Bop- Radio control signals. Welcome to the scanner antenna page. Frankly for a decent scanner antenna I'd make a discone; they're not that difficult to make and work well over a huge spectrum of frequencies, not just a few discrete ham bands. With a BNC Plug on one end and BNC socket on the other, the unit will fit on top of a handheld scanner or in line for use with a base receiver. Scanner antennas include police scanners, wi-fi scanners, search-and-rescue communication equipment and amateur radio scanners that seek out any signal. For a Base station other than a homemade groundplane antenna, with more gain you can get a Grove Scanner Beam antenna that covers the VHF-lo at unity gain, VHF-hi 4-6db gain, UHF-lo band at 6-8db, and UHF-hi (800mhz band) 10-12db gain. Apr 29, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Apr 29, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. With permission from an adult, unscrew one bolt that. Monitor battery voltage and battery booster output voltage. What is the characteristic impedance of your antenna, and that of the scanner? If one (or both) are a nominal 75 Ohm impedance, you may do better with the RG-6 cable, to match their impedances. military, the State Department pulled out its last cop trainer on. The perfect device for learning software defined radio, on the cheap. Uniden Bearcat police radio scanners are top of the line units that can receive police, fire, aircraft, CB radios, amateur radios, NASCAR and much more. I once had a triband scanner in a company truck using the AM/FM radio antenna, a homemade Motorola socket to F connector cable to a TV Cable splitter, then two homemade cables going from the splitter to the radios. Buy a genuine factory replacement Radio Antenna Module (20940528). I have used my scanners with both mounted and portable antenna's. Free shipping. Seems to be working fine. Great article on scanners and antennas for a scanner. 1 VHF Automatic Rebroadcast Station The AT AR13. 2Ghz Black Glass Mount Scanner Antenna. The BC345CRS is a multi-featured conventional channel scanner. Two questions on grounding: I have heard people talk grounding an antenna but don't think I hav. Transmission line calculations Opens a New Window. 1) Wireless network standards operate at ________. Apr 29, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. Welcome to the scanner antenna page. Shop an extensive selection of two-way radio batteries in various types, and get chargers so your radios are always in working order. One side of the feedline from the receiver or transmitter is connected to the conductor, and the other side to ground or the artificial ground plane. They have multiple traps in them so they will resonate on all frequencies like a discone antenna. RS 20-176 / 108-1300MHz scanner antenna. You should be able to hear an AM radio signal. For higher frequencies, though, a discone antenna become fairly small and more than portable enough for a mobile. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. Building an antenna is educational, and having a scanner radio antenna will allow you to keep up with local alerts, crime, and emergencies. Try repurposing a TV antenna you already have; use an FM splitter to use it on your radio. 49-950 mhz vertically polarized discone scanner antenna with 50' of coax and installed bnc connector. Make this link a must read. Make your antenna by the tried and true formulas. They are two methods to using a CB antenna for your car. What is the best way to make a scanner antenna for indoor use possibly outdoor. 3 out of 5 stars, based on 71 reviews 71 ratings Current Price $129. Radixon Group is an R&D based company, with accumulated wealth of engineering experience in RF design, digital hardware design, DSP and application software. The RL-Discone antenna's design was for receiving, but at the same time it is good for transmitting throughout the entire VHF portion of the amateur radio band. 30-1200MHz Ideal for all band scanners: low band, high band and UHF frequencies easy to assemble and install High quality stainless steel and chrome plated components mounts on 1-1/4 to 2 inch mast pipe (not included) comes with 50. Special Price $160. 653 - Astatic Roof Mount Scanner Antenna. Icom d-Star Radio Repeaters. Note: For stability, our brackets are made of 14 gauge stainless steel. Mar 30, 2014 - Build A Simple VHF/UHF Scanner Antenna - A Police Scanner Antenna For The Price of Parts! Stay safe and healthy. All circuits are listed alphabetically on the Circuit Index page and in date order on the update page. Short-range communications at VHF or UHF frequencies also require sufficient antenna heights. BRAND NEW UNIDEN BCD436HP OPP POLICE FIRE EMS P25 SCANNER $460. Radio and Scanner Antennas. 38 new & refurbished from $86. COVID-19 Virus UPDATE As one of the leading providers of police video and police speed enforcement equipment, we are committed to providing the necessary services and support to keep your vehicles fully operational. If you're a newcomer or old hat, or anywhere in between, when installing antennas, Safety First. Be sure your radio is set to the high power mode. Your price for this item is $ 79. 30-2000 MHz, F-connectors, supply voltage range 11-13V, powered via separate wire. Uniden - 800MHz Base/Mobile Scanner - Multicolor. All main railroad radio channels are found in the FM VHF 159 MHZ - 161. This article shows you how to build a very efficient one for your UHF scanner. Unroll the antenna wire and hang it over a tree branch with help from an adult. 8 out of 5 with 6 reviews. Using 50 Ohm cable between a receiver and antenna that are both designed for 75 Ohm performance will increase the SWR (remember, SWR doesn't just apply. With digital audio, convertible, without gps. Welcome to the Base/Handheld scanners and Accessories page. Police scanner antennas for home, vehicle or on-set Uniden & Whistler scanners. 5 out of 5 stars 66. SDR Police/Fire/Rescue Scanner on Windows I've been trying to use all this "distancing" time to get to projects I've previously put off, so I unpacked the RTL-SDR that's been sitting in my desk storage since last year and gave creating a SDR police scanner a shot. Dec 9, 2016 - Simple, cheap DIY radio scanner antenna (receive only, for police scanners) Stay safe and healthy. Add to Cart. 95 Your Price: $22. The New RemTronix REM-830B Base Scanner Antenna for Uniden SDS200 is similar to the REM-800B, but with a hinge for base Scanners. They have multiple traps in them so they will resonate on all frequencies like a discone antenna. If you live in a large metropolitan area, it should work well way beyond the UHF action frequencies also. Pin frequently used stations to the Start menu for easy access. Radio signals weaken when their battery is low. When schools. We offer a price match guarantee, low prices, and we're a Google Trusted Store. 5 out of 5 stars 66. Most transceivers and antennas designed for ham use are based on 50 ohm impedance. 9 out of 5 stars, based on 39 reviews 39 ratings Current Price $89. It’s a rugged homebrew multi-band trap vertical antenna that works the and 20 meter amateur radio bands” See All Details : Homemade 11 Meter Antennas homebrew 11 meter antenna Condos/Homes 640 x 902 · 149 kB · jpeg 10 Meter Vertical Antenna This DIY 10 Meter Vertical preparation know how to solar 358 x 686 ·. There are top 10 recommended radio you can see. At the beginning of the video, I used my little old Uniden FRS400 to make a creative introduction. Are you having issues holding a radio connection in your car? Get a new Genuine Ford Antenna, it'll sound as crisp as it did the first day you got your car. Turn the antenna clockwise to tighten. 14 Feb 2020 by TexasMale. Weak radio signals. Anywhere a high gain with wide bandwidth omni-directional antenna could be useful; The Idea for the Parabolic Discone. 5mm JACK 150cm LEAD. This antenna design combines the elements for three frequency bands into a multiple-band antenna. Emergency Use. They are proud to offer the Scanner Mini-Magnet Antenna VHF/UHF/800MHz to 1,300MHz with SMA-Male Connector. The BC345CRS is a multi-featured conventional channel scanner. Why would you ever need to make yourself into a portable human antenna? Well how about for Police, Fire Fighters, First Responders, Field Researchers, Military and FEMA?. Build a Police Scanner Antenna for the price of parts! Here is a simple VHF/UHF scanner radio antenna you can build using very inexpensive coaxial cable and a few parts plus some bits of wire! It should cover receiving only from the AM aircraft band up thru the most used UHF frequencies in use by the average "police" type scanner radio you may. 49-950 mhz vertically polarized discone scanner antenna with 50' of coax and installed bnc connector. The Investigator Scanner Antenna™ is my "Original" design. This will detect radio signals from all sides. The radio waves reflected from the ground plane seem to come from an image. Weak radio signals. 14 dBi gain 400 MHz -470 MHz Uhf 3 dBi gain. We are the largest online retailer of Antenna Balls, Antenna Toppers, and Car Antenna Accessories. Puxing radio serial interface schematic, easy to make 6 way broadband RF distribution 20dB coupler Antenna 1/4 wave for 940 to 980MHz easy homemade Antenna height measurement made easy PA Stage temperature controlled FAN speed controller Automatic Antenna Motor Lift system 1:1 Current Balun using 4C6 core for HF antenna. Pin frequently used stations to the Start menu for easy access. Any antenna you can get outside is better than one inside IMHO. 700~900MHz UHF Band Flexible Whip Rubber Ducky Great improvement over factory standard antenna 7-inch length BNC Connector (Standard BNC) Works with: Uniden: BCD536HP, SDS200, BCD996, BCT15X,. For example, to make a 150MHz dipole: 147/150 = 98cm so each element of the dipole should be 49cm. Materials Needed: 1 - 6" x 6" piece of aluminum. HG - Police Scanner Antenna The Antenna is 15" long & 3/4" diameter, comes with a hanging hook, suction cups & wall mounts. Heavy duty hardware and 2. Welcome to the Scanner Antennas page. 14 dBi gain 400 MHz -470 MHz Uhf 3 dBi gain. For mobile scanners in a vehicle, there are magnetic mount scanner antennas, trunk lip mounted scanner antennas, on-glass scanner antennas, and mirror mount scanner antennas. The best scanner radio that money can buy is worthless without an antenna. It may be smaller than most mobile antennas, but it is powerful enough to pick up signals without the need for an external base station antenna. 5 MHz ground plane antenna to improve NOAA Weather Radio reception. Using 50 Ohm cable between a receiver and antenna that are both designed for 75 Ohm performance will increase the SWR (remember, SWR doesn't just apply. FREE Shipping on orders over $25 shipped by Amazon. At Ford Parts Center we have Antennas for all Ford Lincoln and Mercury vehicles. The ARRL makes a "antenna book" with lots of great suggestions to "homebrew" wire antennas. YOU are an antenna! If you improve reception by standing near or touching the radio or antenna, your system is telling you it needs a better antenna. This article shows you how to build a very efficient one for your UHF scanner. The distance between one point to another adjacent point in a wave is known as the wavelength. 3604904 - 18" 20Mhz-1. They are a true 300 ohm antenna and, when combined with an outdoor 300-75 ohm transformer, they provide the best possible match to the popular 75 ohm coax cables. I don't have pic of beam yet but here are some of scanner, longwire and A99. Easily enter and store frequencies for police, fire/emergency, marine, air and more into 500 channels over ten banks. This ANTGAIN dual-band antenna covers a super wide frequency range of 140-162/435-467 MHz (less than 2:1 SWR) with 3 dB gain on VHF and 5. Emergency Use. The pole was a tent pole that someone was throwing out. It is designed to be used with your mobile or handheld radio. This will detect radio signals from all sides. The Hustler DCX Scanner Antenna A discone base antenna that provides good omni-directional coverage from 49 to 950 MHz. Make any mobile radio into a base station. Connect one end of each cut wire to one side of a piece of choc block and to the other sides connect the core and. Parts Needed: 6 feet - 1/2" Sch80 PVC Pipe. This 7 inch tall antenna. Product: Centerfire VHF Airband Base Station Scanner Antenna Price: $46. Resources listed under 50 MHz antenna plans category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Works with all mobile scanners with BNC Antenna connections. Radio range can be increased through an extender, repeater or booster. If you don't have an antenna connected to your FM receiver, purchase a simple dipole antenna--a simple T-shape flexible wire-- and connect it to the FM antenna inputs on the receiver. I am also a ham radio operator, so i use my 2m/440 antenna which works ok, but is not really tuned for scanner use. This scanner antenna USA made with high-quality stainless steel & chrome-plated components. But I love my old Regency Xtal scanner. There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. Flexible "Rubber" Handheld Antennas - Most handheld scanners come with a flexible "rubber" antenna, popularly referred to as a "rubber duckie". Add to Cart. If you're not convinced go online. 2 product ratings 2 product ratings - POLICE STYLE LOW PROFILE D TYPE RADIO EARPIECE 3. Well,my question is is if you can use insulated wire to make an antenna with. Any omnidirectional antenna is a good choice. They are proud to offer the Scanner Trunk/Hole Mount Antenna Kit with BNC-Male Connector. Scanner + CB Radio combo! All new from Uniden and in stock for immediate shipping, the Uniden BearTracker 885 is a combination of the Uniden 880 CB radio and the Uniden CB radio scanner, all in the same housing. The ANTGAIN has an overall length of 39 inches with a handy antenna fold over feature and is rated at 140 watts maximum power. Police scanners are made out of many components, like the antenna or the keyboard, so as the last point to the types of scanners, let's look at each one in turn and discuss what's the best choice based on parts. 8 - Number 4 machine screws, star washers, and nuts. Antenna Projects Project No. Shop an extensive selection of two-way radio batteries in various types, and get chargers so your radios are always in working order. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. by:Jenny List “If you’ve ever cast your eye towards the rooftops, you’ll be familiar with the Yagi antenna. A scanner (also referred to a police scanner, police scanner radio or radio scanner) is a radio receiver that can automatically tune, or scan, two or more discrete frequencies, stopping when it finds a signal on one of them and then continuing to scan other frequencies when the initial transmission ceases. Locally owned. 5 out of 5 stars. The problem is, digital scanners are more expensive than analog scanners and are very complicated to program. Looked on ebay at several and found it is an ancient 10 channel scanner for VHF and UHF and it uses Motorola antenna connections, probably a real PITA to get antennas that will work with it anymore, if the originals are lost. Everything I needed I had in my junk box. 3604904 - 18" 20Mhz-1. All circuits are listed alphabetically on the Circuit Index page and in date order on the update page. This 55 inch high omni-directional antenna easily mounts to any mast (not supplied) with supplied hardware. An antenna booster may do the trick, especially if you live in a rural area without any obstructions between you and a distant radio station. Product: Centerfire VHF Airband Base Station Scanner Antenna Price: $46. At Ford Parts Center we have Antennas for all Ford Lincoln and Mercury vehicles. Works well with handheld HT radios, base stations, and repeaters. There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. 0 out of 5 stars 84. • View the top 50 scanners that have the most. 5 out of 5 stars. 2 Meter Slim Jim Antenna | KB9VBR J-Pole Antennas. Please wash your hands and practise social distancing. Bell Helicopter, through its Aeronautical Accessories brand, has introduced an HF antenna for the Bell 407, after receiving approval from the Federal Aviation Administration. 3604904 - 18" 20Mhz-1. I was going to purchase a seperate FM Radio antetenna, but after trying this, why waste the money! Two birds with one stone!. Radio Amateur, Ham Radio Antenna, 1970s, D1, Yeast Starter, Dimensions, Band, Ham Radio, Projects June Bug Projects to try icu ~ Pin pada Ham radio ~ VHF Yagi antenna optimized beam for band Mc - 148 Mc). A rotorized (pointable) antenna is preferable to a stationary antenna. There's a lot that goes into making a nice crystal radio set, so this is going to have to be broken down into two parts. the simple answer is Yes you can. Turn the radio OFF and the antenna motor will pull the antenna back in. Hey,I have a question regarding scanner antennas. Gonzaga University’s Smart Antenna and Radio Laboratory, completed in 2011 thanks to a $1. Made from scraps i had in my junk box. Rusted, corroded, or loose antenna hardware. An antenna booster may do the trick, especially if you live in a rural area without any obstructions between you and a distant radio station. The easiest way to connect your rig to your antennas is to use 50 ohm coax such as RG-8, RG213, RG-58, or my favorite, LMR-400. 22 Radio Receiver Projects for the Evil Genius was created to inspire readers both young and old to build and enjoy radio and receiver projects, and perhaps propel interested experimenters into a career in radio, electronics or research. Radio range can be increased through an extender, repeater or booster. State police officers teamed up with the Mexican Marines to carry out surveillance and patrolling operations throughout the border region, information provided to Breitbart Texas. Building scanner antenna's can be both educational and informative as you are able to tune in aeroplane, police, fire, rescue, and ham radio communications. Please practice hand-washing and social distancing, and check out our resources for adapting to these times. Make sure the connector type of the antenna matches the connector on the police scanner (all scanners have either an SMA female or BNC female connector) or buy an adapter. one quarter (1/4) wave is the minimum height. On VHF, don’t bother. AOR: DA3200 Base Discone Antenna 25-3000 MHz: DA6000 Base Discone Antenna 700-6000 MHz: MA500 Mobile Magnetic Antenna 25-1300 MHz: Associated: SO-239 to BNC antenna cable: SO-239 to SMA antenna cable: Comet: BNC-W100RX Handheld Antenna 25-1300 MHz: DS150S Base Discone Antenna 25-1500 MHz: HT55 Handheld Scanner Antenna: COMPACtenna: SCAN III 100-1500 MHz Antenna: Diamond: D130J, D-130NJ Base. In this blog article, we will discuss how to build a railroad scanner base antenna do-it-yourself, for receiving railroad signals can be built, & tuned to the railroad frequency band for better receive results. Make sure Atten is off (greyed out) 3. Renewal of License for Radio Broadcast Stations Opens a New Window. 30-1200Mhz frequency range. Antennas - There is no better way to improve reception, whether for base or mobile scanning, then by adding an outside antenna. Make your antenna by the tried and true formulas. Rusted, corroded, or loose antenna hardware. One side of the feedline from the receiver or transmitter is connected to the conductor, and the other side to ground or the artificial ground plane. An estimated $65,000 is needed for a radio-antenna repeater system, according to information provided to council. The dish helps focus the radio waves onto a directional antenna feed. For example, to make a 150MHz dipole: 147/150 = 98cm so each element of the dipole should be 49cm. Made from scraps i had in my junk box. Product Code: 01-541955. Loop antennas can work on other frequencies also but need some modification because of the frequency property differences. Make sure you enable the appropriate service types (Law-Dispatch, Law-Talk, Law-Tac, Fire-Dispatch, Fire-Talk, Fire-Tac) etc. They have multiple traps in them so they will resonate on all frequencies like a discone antenna.