DIY 2M Ground Plane Antenna. October 18, 2021. DIY 2M Ground Plane Antenna - Ham Radio - TheSmokinApe. Here's a simple, inexpensive way to improve the performance of your 2 meter gear, including your HT. Thanks to "TheSmokinApe" youtube channel for this easy-to-make 2 meter ground plane antenna. This antenna can be used at home or in the field.The 2-m/70-cm combination presents a different challenge because the frequency ratio is about 3:1. Consider two dipoles, cut for 20 and 10 meters. We can easily use both dipoles with a common feedpoint. The reason is fairly simple: when one dipole shows a low impedance, the other shows a high impedance.Ham Radio 2m/70cm Vertical Dipole Antenna; 15 Metres Simple DX Antenna; Windom Antenna; Is the J-Pole the ultimate 10 meter band vertical ... The Amazing Delta Loop Antenna. DX-Mass Tree Light Dipole; Top 10 easy to build HF wire antennas; How to design and build a 70cm DIY loop antenna; Loop on the ground antenna, is it any good?DualBand 2M/440MHz mobile antenna. This is the most popular antenna in the Comet line for several reasons: Mid-size / mid-price range / open coil flexs to absorb brushes with tree branches / black color fades into the skyline - ground independent. Gain & Wavelength: 2M: 3.0dBi 1/2 wave. 70cm: 5.5dBi 5/8 wave x 2.This is post 2516 in a continuing series of simple ham radio antennas. Here are some general comments from Robert: In this video I give an overview of the design and use cases for 2 distinct eggbeater antennas, a DIY eggbeater V2 antenna and a commercially produced eggbeater antenna from M2 Antennas, both designed for 435 MHz and have right ...a 2m 70cm dual band j pole antenna for 35 usd an excellent performing j pole type antenna constructed from readily available materials .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 based off the designs ...Don Murray W9VE Building a Dual-Band Antenna Mentorfest 10/23/04 13 Steps to Success 1. Drill the bracket. 2. Measure and Saw the all-thread. 3. Mount antenna mount on …4. Use paste flux on all joints when fitting the pieces together. Use enough flux, since you will be cleaning the entire antenna with solvent after assembly. 5. Use a weight to hold the 19″, 57-1/2″, and 2″ pieces, and the Tee and the elbow, flat when they are sweat soldered together. 6.Dual band antenna 2m 70cm applications: The big wheel is a horizontal polarized omni directional antenna. Perfect gain and swr on both bands. 2m shows a 38.5in driven element but with the bent part the wire would be 57.75in long? It's a really great omni antenna for the 2m band. Source: img.17qq.com. Stacking of big wheel antennas to …This Parts item by BarberTechnologies has 244 favorites from Etsy shoppers. Ships from Warren, OR. Listed on May 16, 2024.Homebrew 70cm (430 MHz) antennas. 70cm is a good band for experimenting with antennas. Unless you need very high gain the antennas are small. This means that you can experiment without fear of wasting much material. And you don't need much room either. Potential uses for 70cm antennas include FM and repeater work, long distance SSB contacts ...The N5WVX 2 Meter 7 Element Yagi with a "Twist". The N5WVX 2 Meter 7 Element Yagi with a "Twist". ( Cool Elements) Based on the 2 Meter Beam Project by. Larry Morgan, AG5Z. It's hot weather in Texas in July and Larry Parker, N5WVX, shows us a novel way to make these "cool" elements for a 2 meter Yagi and also his method of building a gamma match.Hi there, G1ZMA kindly decided to build me another antenna for 2m and 70cm and here it is. Amazing what you can achieve with a metre and a bit of old RG58 an...This is post 2397 in a continuing series of simple ham radio antennas. Thanks to Dave Tadlock (KG0ZZ) for this simple 2m/70cm vertical dipole antenna project. This antenna is perfect for deed - restricted housing and field operations. Also, Dave provides a link for more details on the antenna:Indices Commodities Currencies StocksHomebrew 70cm (430 MHz) antennas. 70cm is a good band for experimenting with antennas. Unless you need very high gain the antennas are small. This means that you can experiment without fear of …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.Shop dual-band, monoband, and tri-band VHF/UHF vertical antennas at DX Engineering. We offer the top names in Ham Radio antennas, including Comet Antennas, Diamond Antenna, Larsen Antennas, MFJ, and Hustler Antenna. Our selection of antennas handles from 10 watts to 350 watts of power and covers a wide range of frequencies.7 Jul 2020 ... HAM Radio, Antenna, the Flower Pot Antenna, a Stealth Antenna that you can hide in a plant pot and cover with plastic flowers and leaves, ...Today we're going to build a simple ground plane for the VHF 2 meter band. Ground plane antennas are easy to recognize by their appearance. First off you'll notice the radiating element. This element is 1/4 wavelength long, or about 19 inches for the 2 meter band. Next up are the ground radials. a ground plane will often have three or four ...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 ...I show you how to quickly build a DK7ZB yagi with 4 elements on 2m and 5 elements on 70cm with minimal tools.Plans are available from https://www.qsl.net/dk7zb/3 Dec 2003 ... Also, for very little more money, if one doesn't like the possible directivity of this antenna, one could simply build two of them, one for 2m ...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.An RF choke can save the day for field radio operations where you do not necessarily control all aspects of your antenna system and common-mode currents can wreck havoc on electronics, and even your fingers! Use an FT-114-31 with six turns of RG-174 or RG-316. You can also use eight turns with an FT-140-43. For more power …The slot antenna may be well suited to this purpose, particularly for smaller attics given its horizontal orientation with vertical polarization appropriate for local 2M FM repeaters. The 70 cm Build: For a half-wavelenth 70cm band slot of 33.7cm (λ/2 = 150/445 = 0.3370M or 33.7cm) was cut just below the 2M slot with two holes drilled for a ...You can actually make a good 2m/70cm antenna that way by using a 2 m dipole and a close spaced 70 cm 1/2 wave element, or two 70 cm 1/2 wave elements one on each side of the 2 m dipole. The radiation pattern on 70 cm will be similar to 3 1/2 wave collinear array and will have around 3 dBd gain.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:Here are some comments from "electronics unmessed": This video is about building a loop antenna for the 70 centimeters amateur radio band. What I particularly like about this antenna is that it implements a bandpass and a powerful antenna at the same time. The principle of this antenna is actually very simple: A ring with the circumference …Wireman-J-Poles for 2m-40m J-Poles with Wireman-cables for the quarterwave matching section, working on VHF and HF bands. 440 Mhz J-Pole Antenna plans Here is a 70cm (440 Mhz) J-Pole antenna that is inexpensive, and easy to build. Author use 1/2 inch copper pipe, and the associated fittings necessary.The alternative for me would be no antennas at all. I can hit 2m/70 cm repeaters in a 50+ mile radius, and I've worked 150 grid squares on 6 meters. My setup might not be as powerful as it would be with a tower or roof antennas, but it is more than adequate. A 2m/70 cm vertical in the attic, especially, is good enough for local FM.Welcome to an exciting new chapter in amateur radio technology! I'm thrilled to introduce the 'Fara-J' – a cutting-edge 2m-70cm ham radio antenna crafted from Faraday cloth.Authentic Genuine Nagoya NA-320A Triband HT Antenna 2M-1.25M-70CM (144-220-440Mhz) Antenna SMA-Female for BTECH and BaoFeng Radios. 17,720. 500+ bought in past month. $2098. List: $26.99. FREE delivery Tue, Apr 2 on $35 of items shipped by Amazon. Or fastest delivery Wed, Mar 27. Only 6 left in stock - order soon. Small Business.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.Dual Band 2m/70 cm Vertical Ground Plane Antenna. The operational frequencies for this antenna are within the VHF/UHF amateur radio bands; 2-meter band including frequencies from 144 MHz to 148 MHz, and the 70-centimeter band including frequencies from 430 to 440MHz. Because of the dual band capability, this antenna could become your primary ...This small amateur radio antenna array consists of a 4 element 2 meter yagi antenna and a 5 element 70 cm yagi antenna. The antennas can be mounted on a 4' ...Transceivers offering SSB mode on VHF/UHF bands include the Kenwood TS2000, Yaesu FT-897D, and Icom IC-9100, as well as many others. Equipment The required equipment for getting started on 2M SSB is pretty basic - a transceiver capable of 2M SSB and a 2M antenna. The 2M antenna you already have is probably vertically polarized since that is ...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 ...In this video I go through the steps to build a very simple, inexpensive multi band dipole antenna for the 40 and 20 meter amateur radio bands which can be used either at your home or in the field for off-grid emergency communications. Additionally, this DIY wire dipole antenna will also work on the 15, 12, 10 and 6 meter bands if your radio ...I show how to use stainless steel TIG welding rods (can be done with other materials as well) to make antenna elements for home built 2m / 70cm antennae such...70cm is a UHF Band- it's versatile in that it can be used in both Urban and Heavy forest environments with ease, antennas are small, nearly every dual band on the market has 70cm frequencies, directional transmissions behave rather predictably, and last but most importantly, there's a huge spread of 30mHz to find a quiet spot.Educators also use FoondaMate to share learning materials with students, and to set and post homework. South African edtech startup FoondaMate has secured $2 million seed funding i...MFJ Pulsar VHF/UHF Base Vertical Antennas MFJ-1538. Antenna, Vertical, VHF/UHF Base, 70 cm, 1.25 m, 2 m, 6 m, 200 W, Fiberglass/Aluminum, 8.2 ft. Height, Each. Find VHF/UHF Base Vertical Antennas 2 meters Band Coverage and get Free Shipping on Most Orders Over $99 at DX Engineering!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.ANTENNA NIGHT PLAYLIST https://www.youtube.com/playlist?list=PL01YuCls6edYQkHejzJNAxZqX9eRBeG8BI have been wanting a versatile antenna that I can take with m...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 …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.Feb 13, 2023 · Here is the list of parts needed to build a 2 meter vertical antenna: An inexpensive and readily available way to get 14 ga. copper wire is to go to the hardware store and buy some Romex wire. The first thing to do is to strip the copper wire out of the Romex wire sheath, then you will see a bare wire, a black and white wire. then strip off the ...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 YagiNov 28, 2018 · 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 ...The N5WVX 2 Meter 7 Element Yagi with a "Twist". The N5WVX 2 Meter 7 Element Yagi with a "Twist". ( Cool Elements) Based on the 2 Meter Beam Project by. Larry Morgan, AG5Z. It's hot weather in Texas in July and Larry Parker, N5WVX, shows us a novel way to make these "cool" elements for a 2 meter Yagi and also his method of building a gamma match.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 …Be sure and subscribe to these great channels:TheSmokinApe: https://www.youtube.com/channel/UCdJlIoWR3mf7apfB1dXS97ATemporarily Offline: http://youtube.com/t...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.Today we’re going to build a simple ground plane for the VHF 2 meter band. Ground plane antennas are easy to recognize by their appearance. First off you’ll notice the radiating element. This element is 1/4 wavelength long, or about 19 inches for the 2 meter band. Next up are the ground radials. a ground plane will often have three or four ...It's a multi-band 80-6 meter wire dipole. ZS6BKW started with the G5RV and then conducted extensive computer modeling to increase the gain, flatten the SWR a bit, and smooth out the lobes. It's also about 10 feet shorter than an equivalent G5RV. The antenna must be fed with 39 feet of 450 ohm ladder line and also must have at least 70 feet of ...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; Build a 4 elements yagi 157.000 Mhz VHF; Build 4 Elements Yagi ...The Halo Antenna is a fascinating piece of Amateur Radio antenna art. The design was popular with mobile and portable operators many years ago. In this video from Chuck (KK6USY), we get an excellent introduction to the theory behind the design and some practical suggestions on construction, testing, and use of this "classic" 2 meter antenna.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; VideoA 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.htmlChallenged myself to build a usable Yagi style antenna for the 2 Meter (2M - 144MHz) amateur radio band. The challenge part is that I wanted to use stuff I ...We would like to show you a description here but the site won't allow us.This photo shows the parts of the antenna before assembly. All the soldering is done. Simple Ground Plane Antennas for. 2 Meters, 1.25 Meters and 70 centimeters. Radiator. The completed antenna. This model happens to be the 70 centimeter unit but the only difference between this one and the units for other bands is the length of the radiating ...May 28, 2023. #1/9. I got around to building a DBJ-2 Roll-up 2m/70cm J-Pole Antenna yesterday. It’s wasn’t hard at all. The most difficult part was cutting the sheath of RG58 and RG316 off without cutting the ground braid. The trick was in a video - you bend the coax and just glide a blade over the sheath where it’s stretch and it pops ...While a conversation piece, helix antennas do not have more gain than yagis or quads that you can build or buy in the ham radio marketplace. Share. Improve this answer. Follow edited Nov 4, 2013 at 8:10. answered Nov 4 ... You can turn a small dish antenna into a 2m, 1 1/4m, and 70cm antenna by cutting 3 slots into it. The dish really has room ...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.This 2 Meter 300 Ohm Slim Jim antenna is constructed from regular 300 ohm twinlead. (The same type used for TV antenna installations.) It is very easy to build and does not take days to construct. The measurements above are not extremly critical but may have to be lengthened or shortened for your particular operating frequency.Feb 13, 2023 · Here is the list of parts needed to build a 2 meter vertical antenna: An inexpensive and readily available way to get 14 ga. copper wire is to go to the hardware store and buy some Romex wire. The first thing to do is to strip the copper wire out of the Romex wire sheath, then you will see a bare wire, a black and white wire. then strip off the ...Retrieve the Slim JIM loop and begin inserting the disc separators. Insert the element at one hole at a time at the top of L2 then slide it onto L1 until the second hole aligns with the tip of L3. Insert this wire into the second hole and continue pushing to the top of the element. Do the same with the others.. An Easy to Build Rear Mount 2 Meter Yagi QST June 2012, pp 39If you are new to Amateur Radio, or just want a Two input ports (2M, 70CM) are multiplexed onto a third port (OUT) the signals on 2M and 70CM can coexist on OUT port without interfering with each other. the signal on 2M Port will occupy the VHF Band and the signal on the 70CM will occupy the UHF band. the diplexer consists of a lowpass filter connecting 70CM Port and OUT. The more common coax collinear requires a PVC radome to giv Mhz so it can generally covers the whole VHF amateur band. -Connect a SWR meter to the antenna and to the radio, making sure you attached it to the right connector posts. -Take a SWR reading, and if it is beyond 1.5, cut the 19.5" VHF element rod 1/8" at a time until the readings is in between 1-1.5. -Theoretically , a reading of 1 is the best ... HYS 771Q 2m/70cm SMA-M Tactical Antenna Dual Band Foldable P...
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