Homebrew Vhf Antenna


50 mhz converter magic band using an NE602/612. Antennas include an AM-FM broadcast radio antenna, 1. 8-inch 144/430MHz High Gain Soft Whip Foldable CS Tactical Antenna for Baofeng UV-5R UV-82 BF-F8HP Ham Two Way Radio 4. Amateur Beam Antenna Calculator Three Element Yagi. Cheap Yagi Antennas for VHF/UHF by Kent Britain, WA5VJB edited by John Maca, AB5SS [Editors notes: The antennas described in this article were built as the result of several discussions between Kent and a Cuban radio operator. Price High to Low. After a couple of failed yagis and the help of another ham on QRZ. Homebrew antennas for 23cm It's the 23rd of the month so what better than to discuss practical antennas for the 23cm (or 1296 MHz) band? Even more so than 70cm, you can achieve very high gain with a small antenna. Apr 2, 2020 - Explore centerfirenotw's board "homebrew antennas" on Pinterest. Antenna projects for 144 MHz category is a curation of 148 web resources on , OCF 2 Meter Sleeve Dipole Antenna, Simple VHF Antenna, Dish antenna for 2 meters band. Resources listed under Antenna Homebrew category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Short VHF and. View as Grid List. For some of the broader bands (like 2m & 440) you may need to tweak the elemnt lengths slightly, but if you follow the dimensions you'll have very good. HF antenna is a Diamond SD330 screwdriver with a Diamond dual band antenna for VHF/UHF. This is exactly what the Diplexer I have built does. Iridium242 28,775 views. The stressful part was what happened before the police arrived. Typically a high gain antenna is designed in the. RW3DKB Receiving Loop Antenna. Range (miles): 150. The gap between is used for cable TV. My homebrew vertical multiband hf antenna. Vertical separation can be achieved by positioning the 70cm dipole above the 2m dipole. These work as the counterpoise to make the antenna. Find a clear area, free of obstructions. As my HF antenna covers 80m through 10m and my VHF antenna is a tri-band 6m + 4m + 2m one a circuit that splits receive and transmitted RF somewhere between 30MHz and 50MHz would be good. The simplified feed uses the structure of the antenna itself for impedance matching. -Take a SWR reading, and if it is beyond 1. So the design started with the feed and the elements were built around it. Retevis MA03 Ourdoor Antenna High Gain Radio Antenna VHF UHF 100W SL16-J Two Way Radio Antenna for Ham Radio Mobile Transceivers Repeaters (1 Pack) 5. There are models available for the 118-136 MHz voice air band, in both base and mobile versions. Homebrew 5 elements yagi for 2m at 145Mhz VHF, great performance and lightweight construction make it a suitable long distance point to point contact antenna. They are earning money which helps to support themselves and their families. Now it’s time to step it up (just a little bit) and fabricate a bigger antenna. The toroids should be placed about ½ wave length from the bottom of the array. Today we're going to build a simple ground plane for the VHF 2 meter band. from lightweight aluminum square hollow section purchased from www. 3C, Antenna Handbook, to MCRP 8-10B. Click Here to see more on transmitting Loop Antennas from AA5TB. The word "turnstile" actually refers to two different ideas. Compromise Broadband Antenna Design Broadcast television in North America occupies three radio frequency bands: VHF low from 54 to 88 (channels 2-6), VHF high from 174 to 216 MHz (channels 7-13), and UHF from 470 to 698 MHz (channels 14-51, channels 52-69 or 698-806 MHz have remained in limited use by some low-power stations). Thread starter SCPD; Start date Dec 5, 2014; Status Not open for further replies. CHA-250B The Comet CHA-250B is a newly designed broadband vertical requiring NO GROUND RADIALS. But these are large antennas, and they work well for only one channel, so these are desperation antennas. Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom, a few people have contacted me asking for some information on how it was constructed. And pulled the gardening wire back through the hole in the fibreglass pole with the antenna wire. TV & Home Theater Accessories. Slide three FT50-43 or almost any similar sized toroids over the bottom end of the coax as shown in Figure 3. The other is the principle of obtaining omnidirectional patterns by phasing almost any crossed antennas 90 ° out of phase. Homebrew Ham Radio Projects. 5MHz - 57MHz!. RW3DKB Receiving Loop Antenna. HOMEBREW Dual Band 2m / 70cm vertical dipole BUILD #2 Part 1 of 4 - Duration: Ed Fong DBJ-1 Dual Band UHF/VHF Antenna Assembly And Installation - Duration: 12:13. Tahun 2009 mula berminat untuk mendalami bidang HF dan memiliki set HF. The toroids should be placed about ½ wave length from the bottom of the array. Repeater usage, VHF-DXing, satellites and more! VHF Specialty Pak 3 in 1 Three programs on one DVD for only $24. by Al Peter, AC8GY. HOMEMADE ELECTRONICAL CIRCUITS AND ANTENNAS homebrew projects Home made No frames supported page. Mount the antenna to a pole making sure to clamp the antenna to the mast at a point below the decoupling sleeve area. If one has an interest in distant or low altitude aircraft, basic air band antennas are not satisfactory. Joined Dec 21, 2011 Messages 380 Location Pompano FL & Melville NY. Great Antenna Reference Website •Reviews of various antennas (and other ham equipment) at www. For some of the broader bands (like 2m & 440) you may need to tweak the elemnt lengths slightly, but if you follow the dimensions you'll have very good. Feb 12, 2018 - Low-cost home brew antennas for amateur radio. - -Theoretically , a reading of 1 is the. Homebrew antenna analysers; Triband end-fed antenna for portable use; Antennas for the 630m (472 kHz) band; Apartment HF antennas that work; Historical 1930s - 1970s antenna articles; The 50 ohm rectangular loop; Portable antennas for your VHF handheld transceive Antenna ideas for the 160 metre (1. I've seen them made of coat hangers, beer cans, tin cans, chicken wire, etc. THE VHF / UHF 'EGGBEATER' ANTENNA ~ REVISITED ( English text ). You'll also find here many innovative new Accessories for hf/vhf portable antennas. Whether you go through repeaters or use communicate via simplex, 1. Maybe a new mode world record? TNX @FransJr for the effort! #hamradi Read more. My homebrew vertical multiband hf antenna. My main shack location has a commercial J-Pole Dual band mounted on a short mast. 6 MHz), 70 cm (420-450 Mhz), and post February 2009 UHF-TV bands. 5:1 you can adjust the decoupling sleeve slightly up or down for the best reading. VHF Yagi: Small VHF Yagi for general use, 8. Retevis MA03 Ourdoor Antenna High Gain Radio Antenna VHF UHF 100W SL16-J Two Way Radio Antenna for Ham Radio Mobile Transceivers Repeaters (1 Pack) 5. -Take a SWR reading, and if it is beyond 1. Box 1105, 1016 E. Due to material, I decided on a 5 element Yagi built for VHF since all I would have to buy is more 3/8″ round stock. It is also a very compact design lending itself well to a variety of mounting options and locations inside and outside. It can be stretched from just 12 inches to 12ft. VHF/UHF Beam Antennas. net homebrew topics A selection of various homebrew items. The dipole antenna is an excellent option for many amateur radio applications especially on the HF bands like 80 metres, 40 metres, 20 metres, 15 metres and 10 metres. It is a small antenna and rather easy to build. Tahun 2009 mula berminat untuk mendalami bidang HF dan memiliki set HF. Now, Phase III mounts all that on the roof of my SUV along with a rotator and for good measure. There is a trick to it however. Twin Magnetic Loop Antenna. VHF/UHF directional antenna Estimated cost: TBD A common type of antenna that is either horizontally or vertically polarised. I decided to build a homebrew antenna tuner because I needed a passive pre-selector network to match an experimental end-fed wire antenna to my QS1R SDR receiver. As I was setting up my amateur radio station, one requirement was for 2M and 70cm antennas in two locations. The other is the principle of obtaining omnidirectional patterns by phasing almost any crossed antennas 90 ° out of phase. Range (miles): 150. Commercial use of these designs only with the permission of the author! If you find errors or you have additional details (Photos are very much appreciated!) pse. Your price for this item is $ 19. I will share those three "home brew" antennas with you now. I've tried reproducing the exact design out of aluminium. Jerry, K5OE: Home Brew Amateur Antennas. Receive Local to Regional Signals Compromise Broadband Antenna Design. Leaving the coax out of the equation each antenna cost under $5- to build and about 1-hour of my time. Getting Started in VHF - Intro to VHF. Loop Antennas for ham radio. Outside will give the best perfor. This entry was posted in Antennas, DX, Guest Posts, How To, News, Radios, Shortwave Radio and tagged Antenna building, Antennas, Backpacks, Field Radios, Guest Posts, Homebrew, Homebrew Whip Antenna, How To Build a Whip Antenna, Super Antenna, TomL on June 14, 2018 by Thomas. Receiving Field HF Loop Antenna. Make Offer - New NMO VHF UHF 144-170 / 430-470 MHz DUAL BAND Mobile Antenna KIT 2 Meter 70cm New NMO VHF / UHF 144-170 / 430-470 MHz DUAL BAND Mobile Antenna 2 Meter & 70cm $14. It needs to be horizontally polarized and omni directional. Getting Started in VHF - Intro to VHF. Collinear antenna building, by Karl Shoemaker, AK2O. Member of GDXF (25), UKSMG (1055), AGCW (3513) This homepage is dedicated to the homebrewing of equipment, especially for building HF- and VHF-Yagi-antennas. BUILD AN HF ANTENNA TUNER MAKE A HOMEBREW HF-VHF ANTENNA TUNER (It really isn't all that difficult. Homebrew antennas for 23cm It's the 23rd of the month so what better than to discuss practical antennas for the 23cm (or 1296 MHz) band? Even more so than 70cm, you can achieve very high gain with a small antenna. For local and moderate distances, such antennas will deliver signals well above the noise level. e-mail-adress: dk7zb(at)darc. Final Assembly. 5:1 you can adjust the decoupling sleeve slightly up or down for the best reading. Twin Magnetic Loop Antenna. View Top Sellers in: In Stock at Store Today (9) Choose your preferred store. One is a particular antenna: two crossed dipoles fed 90 ° out of phase. Price High to Low. Range (miles): 150. April 22, 2008 November 1, 2019 - by Joost - 29 Comments. Homebrew Antennas; M2 Circularly Polarized Yagis. Now, Phase III mounts all that on the roof of my SUV along with a rotator and for good measure. 6-Inch Whip VHF/UHF (144/430Mhz) Antenna SMA-Female for BTECH and BaoFeng Radios 4. More items will be added in due course…. As for the VHF antenna, its Reflector element can be positioned forward of the UHF Reflector by 3/4-inch. 8-30 Mc center-loaded HF whip, 51 Mc Whip, 28/27 Mc whip, GPS antenna under a radome on roof, 145 Mc 5/8 wave whip and VHF/UHF scanner whip. The Super Antenna MPL1X is a portable HF antenna that you can use on flat surfaces like your garden, balcony, and apartment. This antenna is EXTREMELY easy to assemble, requires no tuning or adjustments and VSWR is under 1. "EGGBEATER"ANTENNA VHF/UHF ~ PART 1 ON6WG / F5VIF For the enthusiastic listeners or the licensed amateur station wishing to experiment with satellite transmissions without investing a large sum of money in rotators and tracking systems, here is a very competitive antenna. •Wire antennas can be run near the peak of the roof inside the attic, bent in odd shapes to match the space available. Therefore this type of antenna is commonly used in boats. · KB4QLZ's On-Line Hamfest HF Antennas High Frequency Antennas - Photos Of Equipment Can Be Posted 0 0 KB4QLZ VHF/UHF Antennas VHF/UHF Antennas - Photos Of Equipment Can Be Posted 2 2 2m base antenna (David Lee) · KI5DR it was a really nice time. Introducing our newest addition to our Portable Power line of products -- the PowerMini!. In addition, specific models mentioned in the Antennas forum at RadioReference are linked here for future reference. Yagi Wi-Fi Antenna 2. uk,it is suitable for small vhf / uhf beams and lightweight hf wire beam arrays such as the moxon, hex and spider beam. We hang ours from some string thrown over a tree branch. Antenna construction notes category is a curation of 61 web resources on , Coaxial antennas, Use of tripods to assemble and balance big antennas, Home-brew Antennas. My Arrow-Style VHF/UHF Portable Satellite Antenna By: Bertrand Zauhar, VE2ZAZ. Homebrew Ham Radio Projects. Most diodes have a band which shows which end is the cathode. It covers six bands, 20m-10m on HF, and also 6m. The Arrow II line of Antennas has been engineered to provide maximum gain and efficiency in the smallest practical size & weight. SATPACK #1 EB144/EB432/CROSSBOOM $572. It outlines how to build yagis for 144Mhz, 220Mhz, several different 440 band frequencies, 900 Mhz, and 1. The published results can be used to make comparisons between commercial and homebrew antennas, between different homebrew designs, and between different commercial designs. High Gain Air Band Antennas. Specifically, a Frequency Dependant Switch. It was replaced by the Creative Design CLP5130-1N described here. So point 1, 2 and point 3, 4 is 50 ohms. Now it’s time to step it up (just a little bit) and fabricate a bigger antenna. Comet GP-9 Dual-Band VHF/UHF Base Vertical Antennas. My main shack location has a commercial J-Pole Dual band mounted on a short mast. How To Obtain A Ham License. Reasonably priced single channel Yagis are available from Wade. Receiving all these frequencies is difficult when using a single antenna. PRACTICAL ANTENNA DESIGN 140 -150 MHZ VHF TRANSCEIVERS Online Edition. For a typical dual-band "base" VHF/UHF antenna designed for exterior mounting on a structure or mast you can expect to pay from $35 to $300, depending on quality, durability, and performance factors such as gain. 1 The SWR is almost as broad, with better than 1. All Antennas, Base, Portable. If you do the simple math you will see that on 440 you will have almost a 2 wavelength antenna, which is becoming what we call a "long wire" on the HF bands. Homepage for homebrew DK7ZB- Yagi -Antennas. For years I've thrown together simple antenna tuners to get me on the air when needed. Dual Band VHF/UHF Slim Jim Antenna. This video looks at is features, its history, performance across bands, a sample QSO, and a comparison with reference. DPD Productions has numerous antennas designed specifically for Air/Aviation communications use, shown below. The QS1R SDR receiver probably does not need this much pampering to perform exceptionally well, but I was curious nonetheless. The funny thing was when I asked the sales person if the rods. Loop Antenna for DEGEN- 1103. File this transmittal sheet in. " QST, Dec 1978. An amazing 3866. DX Notebook Antenna Pagemany homebrew antenna projects. UHF / VHF TV Antennas. Homebrew antenna analysers; Triband end-fed antenna for portable use; Antennas for the 630m (472 kHz) band; Apartment HF antennas that work; Historical 1930s - 1970s antenna articles; The 50 ohm rectangular loop; Portable antennas for your VHF handheld transceive Antenna ideas for the 160 metre (1. These can be utilized by an FBO, or in any type of base ops setup. Specifically, a Frequency Dependant Switch. Leaving the coax out of the equation each antenna cost under $5- to build and about 1-hour of my time. " QST, Dec 1978. Mystery HF Antenna-homebrew. They then confronted me. pdf New ! THE "EGGBEATER" ANTENNA ~ MOBILE USE ( English text ). The VHF splitters used very small cores and thus the boxes that John obtained so cheaply were less than. VHF Mobile in Vehicle Radio Antennas. Compromise Broadband Antenna Design Broadcast television in North America occupies three radio frequency bands: VHF low from 54 to 88 (channels 2-6), VHF high from 174 to 216 MHz (channels 7-13), and UHF from 470 to 698 MHz (channels 14-51, channels 52-69 or 698-806 MHz have remained in limited use by some low-power stations). Top Rated Products. However, buying an antenna isn't necessarily bad. Headquartered in the heartland of America, S9 Antennas specialize in Yagi, LPDA, Vertical, Magnetic Loop, Dipole, and End Fed antennas, which are produced in our 4500 sq ft facility at Site A. QRO baluns - high power 1:1 and 4:1 baluns for dipoles, loops, open-wire feeders etc. Not counting the rubber ducky that came with my first VHF radio a BaoFeng UV-5B, I made my first three antennas. Of course I live in a valley with 2 mountain ranges on the east and west which limits vhf reception in those directions. 17-Element Very High Frequency/Ultra High Frequency Log Period Dipole Array: The 17-element VHF/UHF LPA antenna was placed in service on 26 May 2010 (see pictures below) and removed from service 1 June 2011. My homebrew vertical multiband hf antenna. TV ANTENNA Air TV channels transmit on frequencies ranging from 170 MHz to 860 MHz. 85 dBi) 10 Elements UHF Yagi: Small UHF Yagi for SAT & Ground stations, 13. Performance-. Not bad for a VHF/UHF antenna! 2001 May 31 ***** I now think that the reason the antenna was working on the HF bands was because it was so close to ground that there were some very strange interactions going on. Construction of a QRP 23cm HB9CV antenna Homebrew 23cm (1296 MHz) HB9CV yagi antenna for SOTA To get the 23cm amateur started, SG-Lab's 23cm 1296 MHz transverter is supplied with a PCB 23cm 2el HB9CV antenna. Price Low to High. Homepage for homebrew DK7ZB- Yagi -Antennas. Apr 2, 2020 - Explore centerfirenotw's board "homebrew antennas" on Pinterest. 2 PRACTICAL ANTENNA DESIGN 140 -150 MHZ VHF TRANSCEIVERS Here is one rule of a thumb in installing VHF antennas: If you use an RG -58/U coaxial cable to feed the antenna, do not use more than 20 meters or 60 feet. Not everybody wants to nor is inclined to build some things that they use. The Arrow II line of Antennas has been engineered to provide maximum gain and efficiency in the smallest practical size & weight. If you have an ATU connected to your main antenna, connect the Noise Canceller between the transceiver and ATU and use as normal. Don't become a statistic!. Restoring Diamond F22A antenna coax replacement for capacitor - calibrated with N1201SA and NanoVNA - Duration: 9:56. TV & Home Theater Accessories. at the same time. The repeater is available to amateurs worldwide as power permits, using a 67. Some additional things are available in my second Homebrew chapter (Homebrew-II). This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use. The gap between is used for cable TV. Slot antennas are familiar in the commercial radio world, but not to hams. There is a homebrew Choke Balun at each feedpoint. Your price for this item is $ 19. antennas, read on. Antenna projects for 144 MHz category is a curation of 148 web resources on , OCF 2 Meter Sleeve Dipole Antenna, Simple VHF Antenna, Dish antenna for 2 meters band. For the VHF/UHF antenna the BNC connector is on the radio and the PL-259 connects to the antenna. I use an M2 2M12 horizontal for SSB on 2 meters, and can work your neighborhood with 5-9 signals 90+%. My Homebrew 3 Elements 20m Monoband Yagi After used GRRV for all bands especially on 20m, I decided to build my own 20m yagi because I always monitor Indonesian stations got pile up on 20m while using beam antena. End Fed Half Wave Antenna Coupler (EFHW) 1:1 Voltage Balun for HF wire dipoles; 9:1 Magnetic Longwire Balun / Unun; Simple CW Touch. More than that, the better your antenna is, it will have a. The antenna was on a ground mounted 5ft Rohn tripod, with a 5ft Radio Shack Mast, Rotor & 4ft PVC mast attaching to the antenna. They then confronted me. All Antennas, Dipoles and End-fed, Portable. Mhz so it can generally covers the whole VHF amateur band. Eggbeater Antenna consist of two Loops , Both the loops are connected to each other with RG 58,(50 ohms) it should be quarter wave length , Solder outer shield at both the end and the center conductor connects to the loops as shown in the Fig. Specifically, a Frequency Dependant Switch. As general information, the director is the shortest element, the. Loop Antenna for DEGEN- 1103. Try this vhf delta loop you can hang in any window. It uses a single coax line to a homebrew antenna switch. All Antennas, Dipoles and End-fed, Portable. See more ideas about Ham radio antenna, Ham radio and Home brewing. A stealth dipole wire antenna tuned for 75 meters band that follow the contour of the home making it almost invisible. That's the the 1/4 wave ground plane antenna. Box 1105, 1016 E. One of the pleasure of working the amateur radio satellites is making contacts in a portable application and with QRP power. Price High to Low. No matter what kind of car or truck you have, youll find an antenna that installs to your vehicle, has efficient power requirements, and delivers optimal coverage. The first one works but looks horrible and has alot of tape holding it together and is made with all #10 wire. It's modeled after the basic delta loop design and is fed with a 1/4 wavelength of 75 ohm coax (RG-59U). If one has an interest in distant or low altitude aircraft, basic air band antennas are not satisfactory. They are earning money which helps to support themselves and their families. There is a homebrew Choke Balun at each feedpoint. All Antennas, Base, Magnetic Loops, Portable. First I tried to build a Cobwebb antenna. 1-16 of over 1,000 results for "high gain uhf antenna" Winegard HD8200U Platinum VHF/UHF HDTV Antenna (65 Miles+, Digital, 4K Ultra High-Def Ready) 4. End Fed Half Wave Antenna Coupler (EFHW) 1:1 Voltage Balun for HF wire dipoles; 9:1 Magnetic Longwire Balun / Unun; Simple CW Touch. 6:1 continuously from 3. Through an electronics dealer, I got a top-of-the-line vhf/uhf antenna for about $62 that worked wonders. The 17-element LPA is model KMA144-500 by KMA Antennas. Its gusting 20mph. A VHF marine antenna gets its name because it is used to broadcast transmissions from water. Any issues with signup please use Contact Us button at bottom of any page. It has a low omnidirectional pattern and is circularly polarized. For some of the broader bands (like 2m & 440) you may need to tweak the elemnt lengths slightly, but if you follow the dimensions you'll have very good. Phasing 2 big wheels mounted one above the other will result in a gain (in the horizontal plane) of about 5dBd. VHF and beyond. The primary problem is that PVC tubing has a significant velocity factor which causes RF to slow down. For the VHF/UHF antenna the BNC connector is on the radio and the PL-259 connects to the antenna. Since an old 5 element version (v1) of my antenna was shown in the July 2011 edition of RadCom, a few people have contacted me asking for some information on how it was constructed. First I tried to build a Cobwebb antenna. So point 1, 2 and point 3, 4 is 50 ohms. They are engineered to be smaller and more powerful across today's DTV spectrum. The word "turnstile" actually refers to two different ideas. And the tripod can also be collapsed to 24 inches size. CD&I (C 116) 2 May 2016 ERRATUM to MCRP 3-40. VHF/UHF/HF HexTenna™ Deluxe Vertical/Dipole. End Fed Half Wave Antenna Coupler (EFHW) 1:1 Voltage Balun for HF wire dipoles; 9:1 Magnetic Longwire Balun / Unun; Simple CW Touch. Final Assembly. You'll also find here many innovative new Accessories for hf/vhf portable antennas. DX Notebook Antenna Pagemany homebrew antenna projects. Receiving Field HF Loop Antenna. As my HF antenna covers 80m through 10m and my VHF antenna is a tri-band 6m + 4m + 2m one a circuit that splits receive and transmitted RF somewhere between 30MHz and 50MHz would be good. Diamond Antenna X510HD Series Base Station Antennas are one of Diamond's best repeater antenna Hustler Base Model G7-144 Vertical Antennas. Set custom price range: $50 - $100 (73) $100 - $150 (17) $150 - $200 (5) $200 - $250 (1). VHF Rover with less than $500 in the. I've taken what I learned from the GMRS … Continue reading "Homebrew 5 Element VHF Yagi". A simple VHF vertical aerial for the home station. com is an archive of Rod/AC6V's webpages, and is no longer being updated. Homebrew outdoor antenna to 2. ) The UHF Model is 11 inches in circumference. Here is one rule of a thumb in installing VHF antennas: If you use an RG -58/U coaxial cable to feed the antenna, do not use more than 20 meters or 60 feet long. Here is the vertical up and swaying around in the wind. Terus melangkah menjelajah bands-bands baru 15m,17m. - -Theoretically , a reading of 1 is the. They can also work as a dedicated receive ante. 2m Projects - Directional Antennas 144MHz 2m Portable Yagi VHF Beam Antenna by MØUKD This page contains construction details on a 2 metre 144MHz VHF Yagi beam antenna, designed for portable use. Homebrew antenna options include the simple “Tiger Tail” or 1/4 wave (~19” at 2 meters) of wire with a crimp connector to attach under your rubber duck. 5 dBi Gain: Short Dipole: Dual-Band HF Antenna (by SV1XY) 40m "plus" 10m Band : Windom Antenna: Homebrew "Off-center" HF. VHF and UHF Antenna Systems 18-21 Fig23—These drawings illustrate the dimensions for the 144-MHz ground-plane antenna. The repeater is available to amateurs worldwide as power permits, using a 67. Mainly for amateur radio usage, but interesting ideas also for wifi antennas or cellular phones or cordless devices. The one shown is for 440 MHz but it can readily be scaled for 146 or 220 MHz. Member of GDXF (25), UKSMG (1055), AGCW (3513) This homepage is dedicated to the homebrewing of equipment, especially for building HF- and VHF-Yagi-antennas. Simple to construct and suitable for a large number of satellites. 50 mhz converter magic band using an NE602/612. If all you want to to is check SWR on your 2M antenna, you don't necessarily have to buy a dedicated VHF/UHF SWR meter. e-mail-adress: dk7zb(at)darc. For years I've thrown together simple antenna tuners to get me on the air when needed. 8-30 Mc center-loaded HF whip, 51 Mc Whip, 28/27 Mc whip, GPS antenna under a radome on roof, 145 Mc 5/8 wave whip and VHF/UHF scanner whip. ABBREE SMA-Female Dual Band VHF/UHF 18. This is similar to a small Yagi or HB9CV and greater than a 2 element Moxon, yet with a full 360 degree coverage. Pull Twist This stiffens the copper -hardening it. Mains voltmeter - a very simple yet handy project for a wet afternoon. Those who sell these antennas aren't necessarily making a killing as many would think. I have almost completed one and have yet to add the feeder to complete the first attempt. WAVEANTENNAS. The quarter wave vertical antenna possesses the attributes of many vertical antennas including the omnidirectional radiation, and vertically polarised signals. Uhf Antenna Homebrew RF - PCARA RF 1Notes appear on page sured its gain at 8. 5 dBi Gain: Short Dipole: Dual-Band HF Antenna (by SV1XY) 40m "plus" 10m Band : Windom Antenna: Homebrew "Off-center" HF. Homebrew Satellite Antenna (created 16 September 2003) The Arrow Antenna is a design classic: it combines light weight, compact design and functionality in a single package for operating FM dual band satellites such as AO-27, UO-14, SO-41 and SO-50 (and I've had lots of success on the linear transponder birds too with this antenna). 85 dBi) 10 Elements UHF Yagi: Small UHF Yagi for SAT & Ground stations, 13. FOR HAM COMMERCIAL ANTENNAS FOR SWL ANTENNAS FOR CB ANTENNAS ANTENNA SOFTWARE PROGRAMS FOR HAM HOMEBREW ANTENNAS CHOOSE YOUR AREA OF INTEREST. To the rescue, would be an external antenna. After a few talked he gave us an article about vertical antenna that he took from the internet. Price Low to High. 5 dBi Gain: Short Dipole: Dual-Band HF Antenna (by SV1XY) 40m "plus" 10m Band : Windom Antenna: Homebrew "Off-center" HF. I've now officially entered Phase III of my VHF contest rover setup. The repeater is available to amateurs worldwide as power permits, using a 67. 2dB Beamwidth: 54° Vertical, 27° Horizontal SWR: = 1. If I can do it, so can you, so get out there and start assembling your own 1/4 wave VHF ground plane antenna. But if you’re the crafty type and enjoy a good challenge, you may want to homebrew your own antenna. Homebrew Satellite Antenna (created 16 September 2003) The Arrow Antenna is a design classic: it combines light weight, compact design and functionality in a single package for operating FM dual band satellites such as AO-27, UO-14, SO-41 and SO-50 (and I've had lots of success on the linear transponder birds too with this antenna). SATPACK #1 EB144/EB432/CROSSBOOM $572. Supporting the Boom (Back Brace) Single upper support. If you have an ATU connected to your main antenna, connect the Noise Canceller between the transceiver and ATU and use as normal. Ferrite Magnetic Antennas by RN3DEK. As you probably know, a long wire radiates with multiple lobes, the largest of which are toward the ends of the wire. I've seen them made of coat hangers, beer cans, tin cans, chicken wire, etc. The simplified feed uses the structure of the antenna itself for impedance matching. Price Low to High. The attached instruction sheet is courtesy of WA5VJB who designed these antennas. Martin Steyer, Die Aue 2, D-37269 Eschwege-Germany. Radio signals come to your antenna in waves, like sea waves rippling in a quiet anchorage. Home brew VHF linear amp When joining HamRadioForum you will get a confirmation email which you need to respond to. 10-80M Alpha DX EMCOMM Antenna for Portable HF. Homebrew outdoor antenna to 2. I also use my Kenwood TH-D74a which does surprising well as a mobile radio using the same Diamond dual band antenna - with the added benefit of also having DSTAR and APRS. 70MHz Quarter Wave Ground Plane Antenna; 144MHz 2m Portable Yagi VHF Beam Antenna; Magnetic Loop Antennas; Homemade Carolina Windom antenna; Homemade 20 metre band loft dipole! Baluns and UnUns. It's modeled after the basic delta loop design and is fed with a 1/4 wavelength of 75 ohm coax (RG-59U). Radio sales, P. Two Receiving Magnetic Loop Antennas from Old Magazines. 6-80 Meter HD-FMJ portable HF antenna. It covers six bands, 20m-10m on HF, and also 6m. For the top of the antenna you are going to have to drill (4) holes at right angles to one another. Because a collinear antenna is hot with RF along the shield of the coax, it is necessary to prevent the RF from coming back through the coax. Performance-. QRO baluns - high power 1:1 and 4:1 baluns for dipoles, loops, open-wire feeders etc. There has been an increase in new licensees lately. PIC Solution PIC Processor $5 MAX232 $1 MCP6002 $1 AD9850 Board $4 RF Connector $1 Vector Board $4 Power Regulator $1 Bridge componenents < $2 Total About $20 Photo of PIC board. It is a full 1/2 wave antenna for strictly VHF. $\begingroup$ @Skyler440 why don't you do some research on antenna design, and when you encounter a concept you don't understand, ask about that?For example, rather than asking simple wire dipole help, try asking Why is the length of a dipole 468/frequency? The former is a broad "fish for me" question and demonstrates very little research effort and is mostly helpful only to you. 17 dBi Gain: 6 Elements VHF Yagi: Super-duper/small VHF Yagi. CHA-250B The Comet CHA-250B is a newly designed broadband vertical requiring NO GROUND RADIALS. If you do the simple math you will see that on 440 you will have almost a 2 wavelength antenna, which is becoming what we call a "long wire" on the HF bands. Make this link a must read. If all you want to to is check SWR on your 2M antenna, you don't necessarily have to buy a dedicated VHF/UHF SWR meter. · KB4QLZ's On-Line Hamfest HF Antennas High Frequency Antennas - Photos Of Equipment Can Be Posted 0 0 KB4QLZ VHF/UHF Antennas VHF/UHF Antennas - Photos Of Equipment Can Be Posted 2 2 2m base antenna (David Lee) · KI5DR it was a really nice time. Yagi Antenna. pdf New ! THE "EGGBEATER" ANTENNA ~ MOBILE USE ( English text ). By comparing them, you should be able to construct a tuner to your own particular requirements. VHF and beyond. 5 dBd during the 1995 Eastern States VHF/UHF Con-ference—with little gain variation between 417 and 446 MHz. Phasing 2 big wheels mounted one above the other will result in a gain (in the horizontal plane) of about 5dBd. Loop Antennas for ham radio. Martin Steyer, Die Aue 2, D-37269 Eschwege-Germany. I've seen them made of coat hangers, beer cans, tin cans, chicken wire, etc. The feed point is usually placed at the centre of the dipole, for although this is not absolutely necessary, it can help prevent. Dual band, designed to assist S earch & R escue Volunteers and Professionals 1. Zenith Vant Outdoor Antenna Yagi P43 - VN1ANRY65. antennas, read on. e-mail-adress: dk7zb(at)darc. There is a trick to it however. Menduduki ujian CW pada 28 September 2011, LULUS dan mendapat lesen kelas 'A' pada 3 November 2011. Commercial antenna tuners are very expensive and often of. Here is a great article on building your own 3 foot diameter loop from copper pipe that will fit in the attic of a single story home. If you do the simple math you will see that on 440 you will have almost a 2 wavelength antenna, which is becoming what we call a "long wire" on the HF bands. 144 MHz 2m dipole for SOTA. HOMEBREW Dual Band 2m / 70cm vertical dipole BUILD #2 Part 1 of 4 - Duration: Ed Fong DBJ-1 Dual Band UHF/VHF Antenna Assembly And Installation - Duration: 12:13. Welcome to the home of the Buddipole™, an hf/vhf portable dipole antenna system which is designed to be modular, versatile, and efficient. We discussed other radio topics, and they told me they had seen VHF/UHF rovers before. Eggbeater Antenna consist of two Loops , Both the loops are connected to each other with RG 58,(50 ohms) it should be quarter wave length , Solder outer shield at both the end and the center conductor connects to the loops as shown in the Fig. The first one works but looks horrible and has alot of tape holding it together and is made with all #10 wire. However, buying an antenna isn't necessarily bad. For years I've thrown together simple antenna tuners to get me on the air when needed. Reduce precipitation static and lower background noise with the Tram Amateur Dual-Band Antenna. Testing was done with a separate dual band SWR meter. Twin Magnetic Loop Antenna. Not counting the rubber ducky that came with my first VHF radio a BaoFeng UV-5B, I made my first three antennas. DPD Productions has numerous antennas designed specifically for Air/Aviation communications use, shown below. Get some coax, RG-58 will do just fine. As I was setting up my amateur radio station, one requirement was for 2M and 70cm antennas in two locations. Amateur Beam Antenna Calculator Three Element Yagi. Portable or Emergency VHF Antennas Tiger Tail Homebrew antenna options include the simple "Tiger Tail" or 1/4 wave (~19" at 2 meters) of wire with a crimp connector to attach under your rubber duck. Antenna projects for 144 MHz category is a curation of 148 web resources on , OCF 2 Meter Sleeve Dipole Antenna, Simple VHF Antenna, Dish antenna for 2 meters band. " QST, Dec 1978. Typically a high gain antenna is designed in the. aluminiumwarehouse. 2m Projects - Omnidirectional Antennas "Bottle" Antenna for 145 MHz by RA1TW Homebrew Coaxial Dipole for VHF or UHF by W6NBC Here's a base station antenna you can easily build for 146, 220 or 440 MHz. 75 inch deep. It uses Glassfibre arms (a must). by: Todd Harrison 2 m band "Radio Direction Finding Antenna for VHF" and It's one of the best-known homebrew antenna techniques, and is. The attached instruction sheet is courtesy of WA5VJB who designed these antennas. CHA-250B The Comet CHA-250B is a newly designed broadband vertical requiring NO GROUND RADIALS. Your templates should look something like this. Three di fferent types of construction. Introduction: A collinear (or co-linear) antenna array is an array of dipole antennas mounted in such a manner that every element of each antenna is in an extension, with respect to its long axis, of its counterparts in the other antennas in the array. The SWR remained below 2: I on both 146 MHz and 440 MHz. High Gain Air Band Antennas. Any good commercial Vs-wave an- tenna, small Yagi or homebrew VHF/ UHF quad can beat this antenna at gain on a given design frequency, but none of these will band VHF Antenna. VHF/UHF Magnetic Loop Antennas. The repeater consists of a miniature VHF receiver with sensitivity of -124dBm, having an IF bandwidth of 15 KHz. VHF/UHF Beam Antennas. Homebrew 5 elements yagi for 2m at 145Mhz VHF, great performance and lightweight construction make it a suitable long distance point to point contact antenna. The Ideal Setup W1AW. Many of them are down right ugly. - -Theoretically , a reading of 1 is the. As you can see in this photo, the fittings from the tie strip have been both bolted and soldered onto the flange of the SO-239. All Antennas, Magnetic Loops, Portable. The start of a new project added in the Homebrew category. So the design started with the feed and the elements were built around it. The receive antenna is a 1/4 wave vertical mounted in the top corner of the spacecraft. haleve Completely Banned for the Greater Good. A much better type of antenna then a simple quatre wave and that has more gain is the 1/2 wavelength vertical. It is a full 1/2 wave antenna for strictly VHF. Menduduki ujian CW pada 28 September 2011, LULUS dan mendapat lesen kelas 'A' pada 3 November 2011. Repeater usage, VHF-DXing, satellites and more! VHF Specialty Pak 3 in 1 Three programs on one DVD for only $24. No matter what kind of car or truck you have, youll find an antenna that installs to your vehicle, has efficient power requirements, and delivers optimal coverage. Radio sales, P. Contributions from Michael VK3FMIC, Shane VF3FSRG, Lou VK3ALB, and Peter VK3ZAV. No other type has as much gain. Eggbeater Antenna consist of two Loops , Both the loops are connected to each other with RG 58,(50 ohms) it should be quarter wave length , Solder outer shield at both the end and the center conductor connects to the loops as shown in the Fig. If you have a little free time on your hands and are interested in a project, you can actually make your own antenna rather than buy one. File this transmittal sheet in. This is similar to a small Yagi or HB9CV and greater than a 2 element Moxon, yet with a full 360 degree coverage. 2m Projects - Omnidirectional Antennas "Bottle" Antenna for 145 MHz by RA1TW Homebrew Coaxial Dipole for VHF or UHF by W6NBC Here's a base station antenna you can easily build for 146, 220 or 440 MHz. I am in the process of making my 2nd 1/4 wave ground plane home brew scanner antenna. 2dBi Max Power: 150 watts Length: 40 inches Connector: PL-259, fold-over hinge included The CA-2x4SR is a broad-band antenna designed for those needing voice communications on the ham radio. Build the Pennyloop UHF Antenna: The Pennyloop UHF antenna offers high performance in a very simple and cost effective design. A Low-Loss VHF/UHF Diplexer By Pavel Zanek, OK1DNZ Why use two lengths of expensive feed line when one will do? This handy box lets you use one feed line for both VHF and UHF energy, simultaneously! D o you need to operate 145-MHz and 433-MHz transceivers simultaneously with one dual-band antenna? Do you require a dual-band 145/433-MHz. Dual Band VHF/UHF Slim Jim Antenna. If you'd like to try HF mobile with a homebrew antenna, here's some antenna ideas to enjoy: * G3TSO mobile antenna experiences * KM4IE $20 mobile antenna * N1GY HF mobile antenna * 7 to 30 MHz automatically tuned mobile antenna (from QEX) PS: Want to. "5/8-Wavelength Vertical Antenna for Pentecost, Mobile Work," Ham Radio, May 1976. My main shack location has a commercial J-Pole Dual band mounted on a short mast. 5MHz) therefore also resonant on second, third and fourth harmonics etc. Resources listed under Antenna for 2 meters category belongs to Antennas main collection, and get reviewed and rated by amateur radio operators. Price High to Low. Homebrew antenna analysers; Triband end-fed antenna for portable use; Antennas for the 630m (472 kHz) band; Apartment HF antennas that work; Historical 1930s - 1970s antenna articles; The 50 ohm rectangular loop; Portable antennas for your VHF handheld transceive Antenna ideas for the 160 metre (1. The impedance of the phasing line is 100 ohms. by Al Peter, AC8GY. Homebrew Antenna Tuner Steve Yates - AA5TB HOME. This is my first home brew "DIY" antenna for use on local 2 meter repeaters and simplex frequencies. Any issues with signup please use Contact Us button at bottom of any page. This video looks at is features, its history, performance across bands, a sample QSO, and a comparison with reference. The simplified feed uses the structure of the antenna itself for impedance matching. Around the world, where the 1. There is a trick to it however. Slide three FT50-43 or almost any similar sized toroids over the bottom end of the coax as shown in Figure 3. com is an archive of Rod/AC6V's webpages, and is no longer being updated. Radio Direction_Finder RDF Projects Joe WB2HOL Page 5 of 78 09/24/08 05:28:37 AM It is very important that the diodes on the antenna be connected as shown on the schematic. Price Low to High. High-VHF signals are broadcast on channels 7 to 13 and UHF signals are broadcast on channels 14 to 69. This will require you to make two templates, one for the top of the pipe and one for the bottom. Twin Magnetic Loop Antenna. Slide three FT50-43 or almost any similar sized toroids over the bottom end of the coax as shown in Figure 3. Antenna construction notes category is a curation of 61 web resources on , Coaxial antennas, Use of tripods to assemble and balance big antennas, Home-brew Antennas. Over-the-air channels are divided into two bands, UHF and VHF. Mainly for amateur radio usage, but interesting ideas also for wifi antennas or cellular phones or cordless devices. I ended up taking a 1 1/4″ to 1 1/2″ coupling and mounted the antenna on top of a piece of 10ft, 1 1/2″ pipe. Construction of a QRP 23cm HB9CV antenna Homebrew 23cm (1296 MHz) HB9CV yagi antenna for SOTA To get the 23cm amateur started, SG-Lab's 23cm 1296 MHz transverter is supplied with a PCB 23cm 2el HB9CV antenna. There is a problem adding to cart. Most people come into the hobby with a Technician Class license and can only. There is a homebrew Choke Balun at each feedpoint. Member of GDXF (25), UKSMG (1055), AGCW (3513) This homepage is dedicated to the homebrewing of equipment, especially for building HF- and VHF-Yagi-antennas. 1-16 of over 1,000 results for "high gain uhf antenna" Winegard HD8200U Platinum VHF/UHF HDTV Antenna (65 Miles+, Digital, 4K Ultra High-Def Ready) 4. The photo to the right is an example of how the antenna may be supported with minimal holes or damage to the wall. Feb 12, 2018 - Low-cost home brew antennas for amateur radio. For local and moderate distances, such antennas will deliver signals well above the noise level. TV ANTENNA Air TV channels transmit on frequencies ranging from 170 MHz to 860 MHz. However, buying an antenna isn't necessarily bad. The funny thing was when I asked the sales person if the rods. It has gone through a few revisions over the years (this is version 4) and is now a 6 element Yagi Uda. 2 out of 5 stars 542. A satellite antenna can be made from 3 mm copper or aluminum elements, PVC boom, and some parts you may already have at home. You'll also find here many innovative new Accessories for hf/vhf portable antennas. The simplified feed uses the structure of the antenna itself for impedance matching. Most diodes have a band which shows which end is the cathode. For the top of the antenna you are going to have to drill (4) holes at right angles to one another. They can also work as a dedicated receive ante. Mains voltmeter - a very simple yet handy project for a wet afternoon. Leaving the coax out of the equation each antenna cost under $5- to build and about 1-hour of my time. Repeater usage, VHF-DXing, satellites and more! VHF Specialty Pak 3 in 1 Three programs on one DVD for only $24. While there are plenty of high performance antenna designs,. Amateur Radio Homebrew Projects on the Net This page is dedicated to Amateur Radio Homebrew. For some of the broader bands (like 2m & 440) you may need to tweak the elemnt lengths slightly, but if you follow the dimensions you'll have very good. I want to build a homebrew UHF TV antenna. My workshop under the garage needed to have a separate antenna, preferably hung from a nearby tree. Mounting this antenna is another animal that will be left up to your situation. 5MHz - 57MHz!. Meter scales - techniques for re-labelling meters. Thread starter SCPD; Start date Dec 5, 2014; Status Not open for further replies. Reasonably priced single channel Yagis are available from Wade. In addition, specific models mentioned in the Antennas forum at RadioReference are linked here for future reference. 10-80 Meter Alpha Loop, 100W 10-40M, 20W 40-80 magnetic. I have almost completed one and have yet to add the feeder to complete the first attempt. These work as the counterpoise to make the antenna. If you have an ATU connected to your main antenna, connect the Noise Canceller between the transceiver and ATU and use as normal. Top Rated Products. Many of them are down right ugly. Homebrew VHF Scanner Antenna. 5 dBd during the 1995 Eastern States VHF/UHF Con-ference—with little gain variation between 417 and 446 MHz. The DF Loop is NOT a resonant antenna. As you can see in this photo, the fittings from the tie strip have been both bolted and soldered onto the flange of the SO-239. Indoor/Outdoor (39) More Ways to Filter. This antenna is unique in that it is enclosed entirely in 3/4" PVC which makes the design a little more complicated. Compromise Broadband Antenna Design Broadcast television in North America occupies three radio frequency bands: VHF low from 54 to 88 (channels 2-6), VHF high from 174 to 216 MHz (channels 7-13), and UHF from 470 to 698 MHz (channels 14-51, channels 52-69 or 698-806 MHz have remained in limited use by some low-power stations). Homebrew PCBs - tips on making one-off or small-run printed circuit boards. Radio signals come to your antenna in waves, like sea waves rippling in a quiet anchorage. 25 and aural frequency at 59. They are engineered to be smaller and more powerful across today's DTV spectrum. It is a full 1/2 wave antenna for strictly VHF. Simple to construct and suitable for a large number of satellites. Depending where you want. Ephraim Gariguez 2,011 views. Sejak itu mula berjinak-jinak di 10m. April 22, 2008 November 1, 2019 - by Joost - 29 Comments. VHF and UHF Antenna Systems 18-21 Fig23—These drawings illustrate the dimensions for the 144-MHz ground-plane antenna. RW3DKB Receiving Loop Antenna. A Tri Band Antenna for 2 meters, 220 MHz, and 70cm Antenna Without Radials By: Edison Fong (WB6IQN) US patent –9,608,336 QST March 2017. is a homebrew coaxial dipole built from a small stainless whip, a length of threaded table-lamp tubing and some 3⁄ 4 inch cop-per and PVC fittings. Field tests show it is excellent antenna, but it's size could be a definite limitation. Okay, enough of UHF/GMRS antennas. Sort By: Top Sellers. Depending where you want. TV & Home Theater Accessories. 144mhz 2m portable yagi vhf beam antenna m0ukd 2 meter ssb yagi antenna a 6 element beam homebrew 144mhz 2m portable yagi vhf beam antenna m0ukd dg7ybn building yagis pg1n …. Attach a wattmeter or SWR bridge to the antenna. 47 KM on SSB between D4VHF and J69DS via #tropo on #2m #vhf band. It was replaced by the Creative Design CLP5130-1N described here. While there are plenty of high performance antenna designs,. Leaving the coax out of the equation each antenna cost under $5- to build and about 1-hour of my time. Twin Magnetic Loop Antenna. Fox Delta Amateur Radio Projects & Kits Amateur Radio Projects & Kits; Homebrew Spectrum Analyzer A spectrum analyzer (SA) is only worth as much as its first local oscillator. 2 out of 5 stars 542. You're currently reading page 1; Page 2; Page 3; Page Next; Show. They then confronted me. 1-16 of over 1,000 results for "high gain uhf antenna" Winegard HD8200U Platinum VHF/UHF HDTV Antenna (65 Miles+, Digital, 4K Ultra High-Def Ready) 4. 700 amateur radio topics - 6,000 links & 133 pages - from antennas to zones NOTE: AC6V. 0 out of 5 stars 1 $29. Homebrew Satellite Antenna, G6LVB ; Cheap Yagi Antennas for VHF/UHF, WA5VJB As for the VHF antenna, its Reflector element can be. This is discussed further in the better articles about mobile antennas. Price High to Low. The distance between the top of the waves is called wavelength, and can be calculated by dividing 300 with the frequency in question. Homebrew outdoor antenna to 2. I have a Rigmaster AA-55 Zoom ($400), a MFJ-259b ($200), and a Sark-100 ($62+$6 for AK4R PC software). Terus melangkah menjelajah bands-bands baru 15m,17m. The VHF Loop provides an opportunity to experiment and build your very own VHF magnetic loop antenna while learning the fundamentals of STLs; HOWEVER, if you simply want a small 6 meter antenna, and are not interested in learning or experimenting, that is okay too. Box 1105, 1016 E. 40m 2 elements full size yagi antenna elements uhf yagi antenna m5aml homebrew aerials 2m 70cm antennas vhf uhf beam and yagi antennas at dx On6mu Uhf 4 6 10 …. For the Buddipole HF antenna it is just the reverse. by Al Peter, AC8GY. Simple to construct and suitable for a large number of satellites. It can be stretched from just 12 inches to 12ft. OK, so the internet is full of plans for makeing homebrew DTV antennas. com is an archive of Rod/AC6V's webpages, and is no longer being updated. AIS vs VHF antenna If you have a Marine VHF antenna / aerial it will be fine for AIS. by: Todd Harrison 2 m band "Radio Direction Finding Antenna for VHF" and It's one of the best-known homebrew antenna techniques, and is. Its gusting 20mph. So the design started with the feed and the elements were built around it. More Info and Demo Photos. It is resonant Half wave on 80m (3. Price Low to High. Price High to Low. View Top Sellers in: In Stock at Store Today (9) Choose your preferred store. $\begingroup$ @Skyler440 why don't you do some research on antenna design, and when you encounter a concept you don't understand, ask about that?For example, rather than asking simple wire dipole help, try asking Why is the length of a dipole 468/frequency? The former is a broad "fish for me" question and demonstrates very little research effort and is mostly helpful only to you. There is a trick to it however. The repeater consists of a miniature VHF receiver with sensitivity of -124dBm, having an IF bandwidth of 15 KHz. Mystery HF Antenna-homebrew. If you have an ATU connected to your main antenna, connect the Noise Canceller between the transceiver and ATU and use as normal. 2MXP28, 144-145 MHz $642. Building Antennas That Last! Moderated By Chip Margelli, K7JA SEAPAC 2017. My antenna has been up for over a year now, and this solution worked. 2MXP32, 144-144. 4GHz 25dBi Outdoor Directional Wireless Antenna e. He was an Amateur Radio Operator, a member of Cedar Creek Amateur Radio Club, whose call sign was WB5ISM, and years ago he made a 2 meter "Magic Wand" antenna which was unique and he still used on his truck. What I keep in my toolbag for that is a cheapie $5 hamfest special CB SWR meter. 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