2m 70cm antenna diy

Dipole Antenna Calculator. How to build a 2-meter cubical quad antenna. Tri-Band Fan Vertical for 40-80-160 meters. My 5-band attic antenna for Ham Radio. Ciro Mazzoni Baby Loop Antenna. DP200 7-54 MHz 500w Portable Dipole HF Antenna. High Quality Dual Band Antenna for on-the-go ops. Ham Radio: The Coat Hanger Antenna 2m/70cm dipole. Ham Radio ...

In order to connect a 2m/70cm radio and a 1.25m radio to a triband. antenna (2m/1.25m/70cm), one requires a triplexer and diplexer. I'd. like to cut down on the number and size of equipment to do this. I asked Comet about making a single compact unit that takes 2m/70cm on. one port and 1.25m on the other.Step 4: Measurements. The developed antenna has been measured with a VNA in terms of SWR and S11 parameters. The result shows that antenna has a bandwidth between 419.5 and 451.2 MHz with the respect of SWR of 2:1, which is more than enough for the 70 cm band (430-440 MHz). F4HWK.J-Pole antennas for the 2m and 70 cm (VHF/UHF) Amateur Radio bands come in many sizes, ranging from commercial models based on public service designs to homebrewed configurations using coaxial cable, 450 ohm ladder line, or even TV twin lead. Supporting structures can be anything from PVC pipe to wood, including temporary lashups affixed to ...That is why they are used on satellites. Lots of hams use both 2m and 70 cm QFH antennas - often on the same mast- Just keep them at least a few meters apart - and again- preferably dont use them for transmitting without some kind of relay switch to disconnect a nearby receiver if transmitting. 0. true.Mar 27, 2016 · N6TWW. 2 Meter Halo Antenna project by Mike Fedler with many detailed pictues and detailes homebrewing instructions so you can build your own. This is a series of videos showing how to build an Omni directional horizontally polarized antenna for 2 meter single side band operation. This antenna is called a 'Halo Antenna' due to its circular shape.Step 4: Measurements. The developed antenna has been measured with a VNA in terms of SWR and S11 parameters. The result shows that antenna has a bandwidth between 419.5 and 451.2 MHz with the respect of SWR …70cm/2m antenna build, method of how I built it and tested it. #hamradio #satellite #FM #moxon #yagi #SO-50 #ham #2meter #70cmAn Improved Version. (See older version here) 3 element = 7 dBd Gain. 5 element = 9.4 dBd Gain. 10 element = 13 dBd gain. These Collinear antennas are " 4 " Megs wide and "must be supported" at the top by a yard arm or tree limb. Building instructions for the NEW WB3AYW Collinear Antenna. This is for Two Meters only 02/11/2014.

A Homebrew Four Element 2 Metre Portable Yagi Antenna; Build your own roll up slim jim antenna; DIY 2M Ground Plane Antenna; The Coat Hanger Antenna; Ham Radio Travel Kit (TSA compliant) 3 Easy Multi-Band HF Antennas You Can Build; Solar Cycle 25 is here--bands are heating up; Simple portable HF antennas with Tim (G5TM)52-1BP. Dipole for 6m with split boom. With holes and optional elements for 6m, 2m, 1.25m and 70cm. This allows one boom to be carried for all those bands. This antenna was designed for SOTA. 10W. Micro Duplexer for the 146/437-10 Satellite Antenna (10 Watts) (fits inside the handle) 437X14.Seen as a 2m half wave antenna, the piece of undamaged cable jacket in the middle does not really play a role. If we look at the antenna as a 70cm antenna (435MHz), it will be completely different. Here, the piece with an unremovared plastic cover does resonate at about 435MHz. The 2m half wave element is then divided into 3, and the upper and ...A simple ham radio 2 meter and 70 cm antenna for fixed or portable use. For details: http://www.amateurradio.bz/2m-70cm_vertical_dipole_antenna.htmlHAM RADIO: The Coat hanger Antenna 2m/70cm dipole. If you need an emergency antenna for the 2m/70 cm Amateur Radio Bands, look no further than your bedroom closet. Any of those metal clothes hangers will do nicely for an impromptu VHF/UHF antenna. In this video, Mike (M0MSN) shows us how a few hangers and some materials around you house or ...Rated 5.00 out of 5 based on 13 customer ratings. ( 13 customer reviews) $ 65.00. The Signal Staff is a dual band 2 meter / 70 cm Open-Stub J-pole from S&K Antenna Systems! This is a new antenna for us here at Signal Stuff made by S&K Antenna Systems who are friends of ours and have assisted in many aspects of Signal Stick manufacturing!

Make one for your "go-kit" or even for the next ARRL Field Day. KB3TQO does a good job of designing and making this simple, effective antenna for the 2 meter and 70 centimeter bands. "Homebrewed an adjustable dipole for use on the 2 meter and 70 cm bands that can easily break down to stow in any small pocket. Cheap and easy."The Blade can also be used as a travel antenna, or even outdoors for short periods of time. Note: Low power is recommended indoors for health reasons. Tuned to 2 Meter Ham Band: Each antenna is tuned to the 2 Meter Ham Band centered at 146 MHz. Ready Made: There's no assembly necessary and 18 feet of coax (with BNC or UHF connector) is included.Now its time to add the additional elements to the top and bottom of the collinear array. First add a ¼ wave element to the top of the antenna as shown in Figure 3. Use #16 solid wire or similar and solder it to the center conductor only. The length of the ¼ wave element is calculated as follows: 1/4 wavelength radiator = 300 / F / 4.Dual-band 2M/70cm HT Antenna Super flexible and lightweight- Made from the same material as unbreakable eyeglass frames Gain & Wave length: 2M 2.15dBi 1⁄4 wave 70cm 3.5dBi 5⁄8 wave Max Power: 20 watts Length: 15.75" Connector: SMA SMA-24 pic. EDIT: some other stuff I thought of while I was getting ready for bed.

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This Parts item by BarberTechnologies has 244 favorites from Etsy shoppers. Ships from Warren, OR. Listed on May 16, 2024.Dipole cst Dipole antenna 70cm Dipole antenna folded. em: talk - Designer Tutorial 2: Planar Dipole Antenna. Lna for all: diy 137 mhz wx sat v-dipole antenna Dual …A ground plane antenna for 2m or 70cm is one of the simplest antennas to build and get working, and it can work quite well for repeater or simplex operation. It is easy to build for other bands as well. I’ll show you several different construction methods that you can use, based on the materials you have available.Lessons learned building my first VHF/UHF tape measure antenna. As soon as I got my Technician’s license and my first radio (a Yaesu FT-70DR ), I set out to build one of the VHF / UHF (2m / 70cm) tape measure Yagi antennas I had been reading about online. This video got me started with measurements for the tape, etc.

permits the antenna to achieve high performance, high power rat-ing low vswr, and broader band coverage on both 2m and 70cm bands. 2. Direct element joint structure with two interconnected FRP outer-shells. Enables the antenna to maintain the same strength as one with one piece structure. The ring gasket makes the antenna water-proof, and ...Antenna, Yagi Beam, 2 Meter/70 cm Wideband, 10 Element, 6.10 ft. Boom Length, 350 W Power Rating, Each. Part Number: CSH-A27010S 3.8 out of 5 starsBuilding a high performance 3 Elements lightweight end mount Yagi antenna for 70cm UHF band centered at 435 Mhz. This Yagi build exhibits a gain of 7.66dBi at the center frequency 435Mhz for use in the Philippine UHF amateur band. Front to back ratio is 18.5dB, Vertical Beamwidth 106°, Horizontal Beamwidth 64°. Just like my […]I mounted a Diamond antenna on my 451 for 2 meter/70 cm on the front bumper using the (painted) tow eyehook. The Diamond antenna doesn't need a ground but in this case the metal bumper provides it. The mount itself is a piece of steel blowtorched into 90-degree submission, with a 5/8" hole for the double-ended SO-239 and 11/16th for the tow bolt.Homemade 2M/440 J-Pole Antenna. A 2m 70cm Dual Band J-Pole antenna for 35 USD. An excellent performing J-Pole type antenna, constructed from readily available materials. Category : Antennas/J-Pole.The Satellite feature allows split channel and (2m&70cm), so I wanted a solution to use the 9700 at the QTH. I didnt want to spend a fortune on antennas, so I hunted out a reasoniibly priced 2m and 70cm antenna. For today will talk about the 70c antenna, the DUAL PA432-8-1.2RA. I got mine from Nevada Radio, other places sell them, but I've ...The antenna is dual banded to operate on 70cm using the same sleeve technique as used on the dual-band basic Flower Pot. This results in the antenna operating with four half-waves in phase on 70cm and provides a theoretical antenna gain of 6dBd on 70. Dimensions shown are for a 1st build prototype from a concept drawing and have yet to …24 Oct 2019 ... Slim Jim and J pole both DIY builds and give quite different results. X30, X50 are very generic and forgiving, X200 X300 etc are longer and have ...A local friend that I told about this antenna project built it today. Took him 45 minutes and cost him $12. Instead of using stainless steel for the elements, he used brass. He also tightened up the gap between the 2m/70cm sections seen in these pictures; the pics were taken before he corrected them. Nice job, Wayne! Here are the pics:

So I built a simple flower pot antenna from PVC pipe and coax. My First Antenna - A Dual Band (2m / 70cm) Flower Pot Antenna. I've bought a few whips for my HTs and thought it was about time I made an antenna of my own. Obviously, the place to start was a dual band UHF / VHF antenna. Design. I picked the flower pot antenna …

My mobile setup is a AnyTone AT-778UV feed to a Diamond A320 Tri-band Mobile Antenna mounted to a Diamond NMO hood mount, fed through 18ft of 50hm RG8, SWR and Smith readings as follows; 144.000MHz: SWR = 1.1795, Smith = 44.94Ohms / 6.61 nH. 148.000MHz: SWR = 1.3191, Smith = 63.14Ohms / 1.28 pF.This antenna is perfect for those hams living in the primary coverage area of the repeater for 2 meter use. This antenna is nothing more than the old standby "Droopy Groundplane" and can be used on any band where it's physical size does not pose a problem. Remember that the vertical radiator is 1/4 wavelength long at your operating frequency.If you need a lightweight, yet sturdy yagi antenna for 2 meter operations, then this project from Kevin Loughin (KB9RLW) is for you. This antenna uses commonly available parts and is suitable for both home and "field" use. Here are some comments from Kevin: This was a long project that worked out very well. The little antenna performs very well ...Most people make these for 2m use, but you can make them for 70cm use if required.If you decide to make a 2m antenna, you’ll end up with 1.5 metres of ladder line as the main …Thanks to Bill (WX4AR) for this concise, accurate, and simple way to build a "classic" double bazooka antenna. Bill takes you step-by-step through the entire design, building, and testing process. The addition of an antenna "tuner" will help you keep SWR as low as possible. A good, reliable 40 meter antenna made from materials you may already have.Comet SBB-5NMO 2M/70cm Dual Band Ham Radio Mobile Antenna. dummy. Anina Adjustable NMO Antenna Lip Hatchback Mount Bracket Through Hole Fixed W/NMO Mount Cap 16.5 ft UHF PL259 Male RG58 Pure Copper Coaxial Cable for Vehicle Car Ham Mobile Radio No Drill Installation. dummy.Build a dual band stub j-pole antenna for amateur radio 2m and 70cm. This was a pre-corded instructional video that we made for our Amateur Radio Club progra...52-1BP. Dipole for 6m with split boom. With holes and optional elements for 6m, 2m, 1.25m and 70cm. This allows one boom to be carried for all those bands. This antenna was designed for SOTA. 10W. Micro Duplexer for the 146/437-10 Satellite Antenna (10 Watts) (fits inside the handle) 437X14.This is how my Diamond V-2000 is installed and the performance I have gotten out of this vertical antenna. The V2000 covers 6 meter, 2 meter and 70cm bandsBu...

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To make the Eggbeater antenna project even easier and more cost efficient, I decided to build the Eggbeaters myself, but to design the 70cm Eggbeater dedicated for the downlink and the 2m variant for the uplink. This post is about building the 70cm antenna. These two excellent documentations by ON6WG and F5VIF served as a basis for the ...An Easy Dual-Band VHF/UHF Antenna. February 1995 QST Volume 79, Number 2. way is to obtain the angle of declination from a topographic map. Often referred to as the variation angle in air and sea navigation, this angle is simply the difference between true and magnetic North at a specified location. By knowing this.Registered users are allowed to subscribe to specific review topics and receive eMail notifications when new reviews are posted. Review Summary For : Larsen glass-mount dual band antenna. Reviews: 31. MSRP: 80 approx. Description: Larsen's version of the thru-glass VHF-UHF mobile antenna. Product is in production.N6TWW. 2 Meter Halo Antenna project by Mike Fedler with many detailed pictues and detailes homebrewing instructions so you can build your own. This is a series of videos showing how to build an Omni directional horizontally polarized antenna for 2 meter single side band operation. This antenna is called a 'Halo Antenna' due to its circular …A collection of 9 easy to build J Pole antenna projects for VHF UHF and also HF News. Top Amateur Radio Websites - Issue 2420. Top Amateur Radio Websites - Issue 2419 ... A J-Pole for 2-meters and 70-cm. KD6GLF. ... Build a 2 Meter 5/4 Wave Antenna. N1HFX. This antenna is unique in that it is enclosed entirely in 3/4" PVC .The yellow trace is the VSWR reading from the antenna analyzer. One pink asterisk is at 2M, and two pink asterisks is at 70cm ham bands. Zooming in on 2M shows a slightly better SWR than the full spectrum, at between 1.5 and 3 across the band. The VSWR of 70cm was below 2 across nearly the entire band. STEPS #22 to #25: COMPLETE THE ANTENNA. 22.The large square with 28 cm edge length covers the 2m band in the frequency range of 140 - 150 MHz, the smaller one allows operation on 70cm from 400 - 470 MHz. The signal direction corresponds to the open side of the loop element. The 50 ohm supply with up to 800 watts is provided by a PL/SO239 connector.The antenna arrived at is shown below, and looks very similar to a standard 2m quarter wave ground plane except radial and radiator lengths and radial angle. However, the dimensions are sub optimal for min SWR for 145MHz but enable a 3/2 wavelength antenna on 70cm as we will see. ….

Presentation by Joe EI6EG on the construction of a 2m - 70cm Dual Band "Eggbeater" Antenna.Joe's project design is from an older ARRL book. However, there a...Re: Homebrew 2m, 70cm mobile antenna. by knight » 11 Feb 2010, 17:17. First the photo is a heldhold mobile radio and the antenna is for a mobile radio. I am trying to build a antenna for the roof of a car which I did say a mobile car antenna for the roof of a car not heldhold. knight.DIY 2m/70cm Antenna That is Better than What I Have? Right now I have a TWAYRDIO 20m/70cm Yagi that the manufacturer claims to be +9.5 dBi for VHF. I'm not sure how accurate that figure is, it seems a tad optimistic; but I'm happy with the antenna overall. I can hit all of the nearby repeaters near me, except one.Build a 2m VHF Sleeve Dipole; Original patent design for Folded Dipole antenna; Edison Fong (DBJ-1) J Pole; Edison Fong (DBJ-2) J Pole Roll Up; Edison Fong – Tri-Band Antenna for 2m, 1.25m and 70cm; Build a 2-Meter Vertical Dipole Array; Service Manuals. Alinco DJ180 Service Manual; Icom IC-2GA/GAT/GE; Icom 02A, 02AT, 02E Service …No physical connection between the 2m and 70cm elements. The 2nd 432 element is a parasitic driven element. I modeled this with 4nec2. I get 11 dbi on 2m and 12.4 dbi on 432! It appears that the SWR on 70cm is very dependent on the length of the 432 driver and its distance from the 144 driven element. The 2.0 SWR bandwidth is fairly narrow, so ...Apr 28, 2015 · I used 1″ thin-wall PVC pipe, aluminum tape, and RG-8X coax. The goal here is to put up a cheap, easy, and quick 2-meter antenna that is simple and unobtrusive, but works quite well. If you have the materials handy, you can build and install this antenna in a couple hours. This dipole was constructed as follows: Cut 6 or 7 feet of 1″ thin ...The LFA would not have worked in this application as it is heavy and a fairly complex build. It's better for a permanent installation. Six Meter Omniangle 6-meter omniangle along with a 222 MHz omniangle and 432 MHz eggbeater. I have antennas! My first use of the Par Electronics Omniangles was on two meters and 70 cm. They worked great to get ...Here i present the measured SWR of the antenna. As you can see, the impedance of the antenna is very well matched to a 50 ohm system. Between 144 MHz and 146 MHz, antenna has an SWR less than 1.2 . For an SWR of 2, the antenna has a bandwidth from 138 MHz to 151 MHz which is a pretty good result. F4HWKThe more common coax collinear requires a PVC radome to give it rigidity and weather proofing, and assembly can be difficult. The 2 - 440 Collinear vertical in this project is simple to build and expand, semi rigid, self supporting, water tight, electrically sound, and a professional appearance when completed.Step 4: Measurements. The developed antenna has been measured with a VNA in terms of SWR and S11 parameters. The result shows that antenna has a bandwidth between 419.5 and 451.2 MHz with the respect of SWR of 2:1, which is more than enough for the 70 cm band (430-440 MHz). F4HWK. 2m 70cm antenna diy, 52-1BP. Dipole for 6m with split boom. With holes and optional elements for 6m, 2m, 1.25m and 70cm. This allows one boom to be carried for all those bands. This antenna was designed for SOTA. 10W. Micro Duplexer for the 146/437-10 Satellite Antenna (10 Watts) (fits inside the handle) 437X14., The LFA would not have worked in this application as it is heavy and a fairly complex build. It's better for a permanent installation. Six Meter Omniangle 6-meter omniangle along with a 222 MHz omniangle and 432 MHz eggbeater. I have antennas! My first use of the Par Electronics Omniangles was on two meters and 70 cm. They worked great to get ..., Here are some of Mike's comments: "The construction of a shop purchased, ZL Special 7 element Yagi antenna for the HAM Radio 2M band. This no frills antenna boasts a 11.5 DBd Gain, is simple to build and works straight out of the box (once put together). Great bit of kit at a good price. Brilliant :) Please subscribe.., NOTE: Comparative testing of this antenna against one without the "choke" showed that the choke is NOT needed.Homemade vertical dipole for HAM 2 meter and 7..., Retevis 144/430MHz Amateur Dual-Band Base Antenna,2m/70cm 7.2 dBi High Gain Base Antenna, SL16 Connector Repeater Antenna for Retevis RA25 RT95 RT97 RT97P Ham Radio Mobile Transceivers (1 Pack) 3.9 out of 5 stars, How to build a 2 meter yagi antenna with a gamma match. Simple and easy to make using parts from an old TV antenna. You'll love this small high gain 4 element yagi beam antenna. ... 6m/2m/70cm Yagi Antenna Built from Old TV Antenna by KGØZZ This turned out to be a great little antenna. It works the 6 meter, 2 meter and 70 centimeter bands. You ..., The antenna is constructed from M4 stainless steel threaded rods, as they are relatively inexpensive and common place at most DIY stores. Additionally, it is an easy material to work with and does not require any special tooling. The boom is constructed it from 10mm2 aluminium box section, again it’s cheap and stocked in most DIY stores., Dipole cst Dipole antenna 70cm Dipole antenna folded. em: talk - Designer Tutorial 2: Planar Dipole Antenna. Lna for all: diy 137 mhz wx sat v-dipole antenna Dual …, Connect the coax cable to the 2 parts of the driven element near where they enter the wooden beam. Wrap the cable's inner wire around the short leg of the J, and the twisted outer wires around the long leg. Solder the wires in place. Secure the coax cable. Secure the coax cable with a couple of zip ties. Your antenna is done!, Practical 2m-70cm Antenna, Amateur Radio, Amateur Radio Innovations, Antenna Design, Antenna Design Techniques, DIY Antenna, DIY Antenna Projects, Duct Tape Antenna, Emergency Communication Antennas, Faraday Cloth Antenna, Faraday Material in Antennas, Ham Radio, Ham Radio Antenna, ham radio DIY, Homemade Radio Antenna, Lightweight Antenna ..., This is post 2441 in a continuing series of simple ham radio antennas. If you want a fun and educational antenna experience, please try this 2 meter Halo Antenna Kit from Moonraker.eu. Matt from "Tech Minds" takes us step-by-step through the assembly and testing process for this omnidirectional, horizontally polarized VHF antenna., Now its time to add the additional elements to the top and bottom of the collinear array. First add a ¼ wave element to the top of the antenna as shown in Figure 3. Use #16 solid wire or similar and solder it to the center conductor only. The length of the ¼ wave element is calculated as follows: 1/4 wavelength radiator = 300 / F / 4., I need plans and specifications for this build with respect to the below frequencies. I'm not really interested in the 1/2" copper pipe build but would prefer solid round aluminum, copper stock or perhaps plated 5/8" grounding rod. Transmit Power 50W. * Receive (RX) Frequency Range: 136-174.995 MHz VHF., This set me back about 50 euro cents per 2 meter (which means about 0.65 USD for 6.6 feet). I needed 50 cm of pipe in this antenna (2 times 25 cm). Next to this I used 70cm of speaker wire I had laying around and a few tie raps to strap it all together. I checked the SWR with the build in SWR meter of my FT-817. It was all 1:1.1 so perfect!, Begin by placing the Reflector elements one inch from the end of the extrusion. Asseble the antenna to the dimensions you chose building off of the first reflector. For the 2 meter side leave 1 inch between the driven elements. For the 70cm side leave 1/4 in between the driven elements., 11 Mar 2017 ... Part 3 of the dual band vertical dipole build including SWR graphing of the finished antenna. The lengths, measured from the outside of the ..., 7.7K views 1 year ago. Basic Dipole Antenna Build, Demo, and Cost || 2m / 70cm. 7,712 views. 110. My first dipole antenna with cost breakdown. It comes out to …, Slim Jim Antenna Project - VU2RMU. 2 Meter Slim Jim Antenna using 300 Ohm Twinlead. Slim Jim 2M Antenna - SV5BYR. L.B. Cebik web site - requires registration (free) Commercial 2M 70cm Slim Jim - N9TAX. 2M Slim Jim antenna using Aluminum Tubing. Some Notes on the Slim Jim Antenna - M0UXB. Slim Jim Build. Handmade Slim Jim Antenna by .n9tax, Build your own 2m/70cm 3 Elements VHF by 5 Elements UHF Yagi antenna with excellent gain for both VHF and UHF operation. This antenna is designed for amateur band frequency for both VHF (2m) and UHF (70cm). The antenna has good reflection coefficient and VSWR ratio @ 1.2:1 at center frequency and 1.7:1 at band edge., The SWR on 2m is 1.6 @ 144mhz and 2.2 @ 148 mhz following your measurements. Although I can not get anything out of the 70cm side. There is a repeater I can open with a HT with a rubber ducky antenna standing at the antenna location but it will not open it up through the antenna.. I do not have the equipment to check the SWR @ 70cm though., Depending on the 2 meter and 70cm frequencies you choose for tuning your antenna, you might have to compromise a little. I got lucky, because I was using 147.060 MHz and 442.100 MHz, which just happened to both yield a length of 19.08 inches for the longer of the two 3/8″ rod elements., This is also a nice ham project, een small antenna for 2m and 70cm, after using it you can roll-up the antenna, very nice on holidays... I invented a similar system, but completely made of RG58 coax. ... Build a 2 meter 5/4 Wave Antenna by N1HFX This month I decided to build a 2 meter 5/4 wave antenna. This antenna is unique in that it is ..., The half wave 2M version of the Flower Pot antenna is easily modified to a dual band antenna for operation on a band that is the [approximate] third harmonic of the fundamental resonance. [e.g. 145MHz x 3 = 435MHz - that's 2M to 70cm or VHF to UHF] The modification involves placing a coax phasing sleeve of aluminium foil around the outside ..., Thanks to Clint of "Oxford Shortwave Log" for this coaxial collinear antenna system for 2m and 70cm. Depending on the materials in your "junk box", you could build this VHF/UHF antenna for almost no cost. Here are some comments from Clint: Hi there, G1ZMA kindly decided to build me another antenna for 2m and 70cm and here it is., Antenna, 2m/1.25m/70cm Bands, 144/220/440MHz, Power Handling 85W for 2m, 50W for 220/440 MHz, 7.5 in. Height, NMO Mount, Each. Part Number: CAN-2M-220-440. 4.42 out of 5 stars. Estimated Ship Date: May 28, 2024 if ordered today. Free Shipping; Multiple Images; Video, We built a 2m dipole antenna out of a broom handle, pvc and some other small pieces that we had laying around the house. Ham radio is such a wonderful hobby ..., Four Element Yagi Antenna for Ham Radio 70cm Band; MFE-1 End Fed Antenna Tuner; HF Indoor Loop Antenna DIY-Simple & Easy to Build; 6-element Quagi Antenna. Tape measure Yagi Beam Antenna; Ham Radio-A 40 meter folded dipole antenna using w... Building an Air Choke or "Ugly Balun" Portable PVC Conduit Antenna Mast; 2 meter VHF Halo Antenna ..., Find the perfect TV antenna for your home with our top picks and buying guide. By clicking "TRY IT", I agree to receive newsletters and promotions from Money and its partners. I ag..., Dualband Antenna's. 2×4 2m/70cm Compact Satt Comm Antenna; 2×3 2m/70cm Cross Yagi - compact build; Build 3 x 5 2m/70cm Cross Yagi 145-435Mhz; Build the 3 x 5 Elements 2m/70cm Yagi; VHF antenna's. 2 Elements Yagi 144Mhz; 7 Elements Yagi for 146Mhz band build; 2 Elements Yagi build for 107Mhz FM Band; Build the 5 Elements 2m VHF Yagi, •Cut the 70cm rod at 432 𝑖 𝑀𝐻𝑧 ×6for inches length (starting point) •Start the bracket down the EMT at 705 2 𝑖 𝑀𝐻𝑧 ×12–1 for inches from top (starting point) You will then need an antenna analyzer or a VNA to measure SWR and do trimming and adjusting 12, DIY - 2m/70cm Groundplane im Selbstbau. Da es mir aktuell an Antennen mangelt, ich aber die Relaissteuerung bzw. auch die Funkgeräte für das Relaisvorhaben testen möchte, habe ich nach einer einfachen und kostengünstigen Antenne gesucht, die insbesondere für den Empfang gedacht sein sollte., How To Build A 2 Meter Vertical Antenna. I needed to replace my old 2 Meter vertical antenna for the 146 mHz. amateur radio band. The old one had lost its …, Jul 19, 2014. #8. The best antenna is the one you just made a contact with. Seriously, if you are not on a budget, Diamond and Comet make excellent 2m/440 antennas in several gain configurations. You could build your own. Arrow antenna makes a 2m/440 j-pole, which at $49.95 is a bargain and an excellent antenna.