In this video, we build and test a 2m / 70cm dual band roll-up portable antenna.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.Step 2: Design. A: 275.7mm. B: 746.2mm. C: 103.7mm. D: 29.8mm. E: 142.2mm. The construction itself is very simple; measure and cut all pieces to length, sand down the ends lighty to remove any burr, apply solvent and pressure fit. It is worth doing a dry run to make sure all measurements meet above figures before gluing and you may find the ...Feb 16, 2021 · A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun.Next time...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 …Apr 6, 2021 · Here are some of Mike's comments. A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun. Next time coax traps on the DX commander I do hope you enjoy it and subscribe for more.. Many thanks Mike - M0MSN To get notified of the next upload .click that ...Easy to build ham radio dual band 2 meter and 70 centimeter ground plane antenna.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 open - kind of like ...This is post 2367 in a continuing series of simple ham radio antennas. Thanks to "SurvicalComms" for this ultra-simple VHF (2 meter) J-Pole Antenna. All you need are a few basic tools, 5-feet (1.52 m) of 450 ohm ladder line, duct tape, soldering iron, and 10-feet (3.04 m) of RG-58 coaxial cable to begin the project.If you have an old satellite parabolic dish antenna, you may want to convert it for 2 meter and 70 cm use. James Sanders (AG6IF) shows you how to make the easy conversion in this video. James says this alteration yields a cheap, easy to operate, and "stealthy antenna" for deed-restricted housing. For the latest Amateur/Ham Radio news and ...This can make the pit thing hard. Standard 1/4 wave verticle will radiate in a spear like way. If you have an antenna with omni directional gain. What it means is it is flattening the spear. So more of a pizza less ball. The energy that normally goes straight up now goes out in a flatter circle at 360 degrees.If you have an old satellite parabolic dish antenna, you may want to convert it for 2 meter and 70 cm use. James Sanders (AG6IF) shows you how to make the easy conversion in this video. James says this alteration yields a cheap, easy to operate, and "stealthy antenna" for deed-restricted housing. For the latest Amateur/Ham Radio news and ...The "good" thing in this case is that a full wavelength in the 70cm band means; a 70cm (27.6 inches) long antenna! In a quad this means that every side is 17.5cm (6.9 inches) long, almost nothing! I got some PVC pipe in a home repair shop. This set me back about 50 euro cents per 2 meter (which means about 0.65 USD for 6.6 feet).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...Die Induktivität an J-Antenne Duoband 2m/70cm mit Kabelbindern fixiert. Länge 35mm. Hier der 35mm Stub am Speisepunkt der Antenne. Weil grad keine BNC-Buchse zur Hand war, habe ich das Antennenkabel testweise direkt angelötet. Die Antenne funktionierte auf Anhieb. Leider fehlen mir (noch) die Messgeräte, um auch das SWR messen zu können.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 …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. Not many people know that.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 eggbea...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 bracket. 4. Mount bracket to conduit. 5. Install 18-inch all-thread. 6. Use SWR meter to adjust all-thread and position of bracket onDual-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.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 ...Oct 31, 2015. #2. 2 meter antenna. If you want a 2 meter buy or make one. Cut five 19 inch coat hangers, get a male pl 259 and make a ground plane.. One in the top and 4 radials in the other holes at 45 degrees.The first reference that caught my eye was the $4 Ham Radio Satellite Antenna. I saw this web page a couple months ago, and was thinking about building it, but haven't gotten around to it yet. It looks like a very cool and easy project. One thing I was wondering about is why the 2m and 70 cm elements aren't perpendicular to one another as ...This antenna is for the 2-meter Amateur radio bands and will easily handle 5 watts of the average handy talkie. Materials you will need: 1 Aluminum or Carbon Fiber Arrow shaft. 1 SMA connector. 3 feet of RG174U coaxial cable. 1 "tube" of .025 music wire (tube usually has 5, 3ft rods. You'll need 4 rods)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 …There are exactly two ways to pick up digital channels on your television set: You can use a digital antenna, available at most major electronics retailers, or you can sign up for ...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...How To Build A DIY 2M Roll-Up Slim Jim Antenna (Including How To Crimp A PL-259 UHF Connector Onto RG8X Coaxial Cable): Step-By-Step Instructions. March 1, 2022 by …Feb 22, 2017 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...A 2m piece of wire would be a longwire for 2m. 2.5m would make it resonant (instead of anti-resonant, even ¼wl multiple, high-Z) so it wouldn't need a transformer. Then you have to tune it for transmit — tuners are uncommon above HF, so the antenna would have to be trimmed. An SWR meter or antenna analyzer would do it.ANTENNA NIGHT PLAYLIST https://www.youtube.com/playlist?list=PL01YuCls6edYQkHejzJNAxZqX9eRBeG8BI have been wanting a versatile antenna that I can take with m...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..VHF/UHF VSWR Meter & appropriate ≥5 watt transceiver(s) or MFJ-269 2. discarded TV antenna to use radials/tubes for spreader supports 3. wooden dowel 5/16" for spreaders 4. AWG 14-18, solid copper wire 5. wood 1 1/2 X 1 1/2 in. boom or re-enforced 1" PVC with "T"' and end caps 6. non-metallic or re-enforced PVC for the mast 7.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.This time I found an old fence wire, a piece of wood, and decided to make a yagi antenna. I already made an antenna like this a few years ago. Very simple. T...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: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.Both having YAGI and 25 watts or greater would be best. The j-pole will do that range in level terrain. 2m Slot antenna made with sewer pipe and aluminum tape. Tuning is easy. Moxons or quads - At those freqs, you can use dowel rods & wire for construction.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 .n9taxSimple Wideband Yagi's for 2m and 70cm - Errata and extra pictures. ... I actually simply used a standard TV antenna U bolt with a couple of holes drilled through the boom at a convenient spot. In particular I found which two elements the balance point was between and then put the clamp in the middle between those two elements. ...UAYESOK Heavy Duty Magnetic Mount Mobile Antenna Dual-Band 2m 70cm VHF/UHF Mag Base Antenna PL-259 Plug for Vehicel Truck SUV Mobile Radio Scanner Repeater System Visit the UAYESOK Store 4.4 4.4 out of 5 stars 115 ratingsDave shows how an old coffee can can be repurposed as a home made 2 meter/70 cm antenna. All you need is a vertical element cut to the correct length and some kind of metal ground plane or counterpoise to complete the antenna. The shield of your coaxial feed line might serve this purpose. A clearly explained, step-by-step procedure …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.Hi there, here's a brief overview of my 70 cm colinear antenna, constructed for me by a very nice chap: G1ZMA.This time I found an old fence wire, a piece of wood, and decided to make a yagi antenna. I already made an antenna like this a few years ago. Very simple. T...Description. OSJ 146/440. Dual Band - 2 Meters & 70 cm - Solid Aluminum - End Fed (SO239 Connector Only) OSJ 220. 220 MHz. End Fed (SO239 Connector Only) OSJ - VHF. Wide Band Width (150 - 162 MHz.) Solid Aluminum - End Fed (SO239 Connector Only)Oct 31, 2015. #2. 2 meter antenna. If you want a 2 meter buy or make one. Cut five 19 inch coat hangers, get a male pl 259 and make a ground plane.. One in the top and 4 radials in the other holes at 45 degrees.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 open - kind of like ...I plan on building single antennas on 2m (10 elements +) and 70cm (14 elements +) for SSB and either singles for FM or perhaps co-phased, not sure yet. I'm ...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 …Section 1: antenna tutorial How to build a turnstile antenna for a 70 cm band (~435 Mhz)? Materials: pipe for the body - I used casual hydraulic PCV from the construction shop; holders for the rods - for me, the 3D print from ABS was the most convenient (if you want to reuse the project, you can find it on GitHub)While it may appear these antennas won't work, build one and try it; my first antenna (also my first homebrew project) was for 70cm, the first station I heard was a repeater 50-60 miles away.--Joshua Davis, KD5LSX. You will need (dependent on the band you wish to build your antenna for):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.Put a SWR meter at the antenna between the small pig tail coming off the antenna and the feed line. Go to 144.300 MHz and check for SWR, then go to 147.300 MHz and check for SWR. If you have a 1:1.1 SWR at 144.300 MHz and a 1:1.6 at 147.300 MHz then your antenna is long, so move the shorting bar toward the coax connection to shorten the …Amazon.com: Diamond Antenna SRH770S Dual Band 2m 70cm Antenna with SMA-M Connector, 27.6" Long, 10W Max Power Handling : Electronics ... Build quality is very good. 73's. Read more. One person found this helpful. Helpful. Report. Ev. 5.0 out of 5 stars First one broken. Replaced and going great! Reviewed in the United States on May 10, 2020.Step 2: Assemble the Antenna. I followed 2m band specs I found online for the length and spacing of the tape measure pieces. I'm far from the first person to make one of these, and here are the designs I researched: The driven element pieces are connected both to each other with a wire folded into a hairpin shape.A really quick antenna for 2 metres and 70 centimetres, made from just 2 metal coat hangers and a small length of strip connector just add the fun.Next time...Here is a simple 2-element quad for 2m that is easy to build and does a good job. It works well for extending the range of an HT, transmitter hunting, SSB, or general use. When not in use it comes apart for storage. The SWR is less than 1.5 : 1 across the band from 144 to 148 MHz without any tuning. The boom can be rotated for either horizontal ...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.My first dipole antenna with cost breakdown. It comes out to about $40 if you have to buy everything, $12 if you already have some electronic / hobby-type ma...Looking for a great, easy to build VHF antenna? Don't go buy one... build it. This episode of Ham Radio Basics shows you how to build a ladder line J Pole a...13 Oct 2012 ... I made another antenna; a 70cm Quad antenna, and it works like a charm! The “bad” thing about quads is that they are full wavelength ...2 meter 70 CM or 440 Mhz antenna building parts I found were cheap and the antenna did pretty good! I love the SWR. The SWR was Low. The 2 meter antenna...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.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.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 ...Check this one out if you're in the market for a 2/70 mobile antenna - does this work for your needs - let's find out! Get Yours: 👉 Radioddity Direct: https...I was surprised to discover the 70cm band workable, while this makes sense since 70cm is the 3rd harmonic of the 2m band, the simulation did not hold promise. But sometimes you get lucky if you try. You too can build this 3-element Yagi antenna without fancy test equipment by using accurate dimensional measurements and good construction technique.Just got my General license to operate on the entire 10 meter band, so I went for a four band antenna such as this and gave it a shot. it's useable on 70cm except near the end of the band, useable on the entire 2m band, but it's not very efficient, useable towards the CW portion as a terrible 6m antenna, and a very narrow bandwidth on 10m ...The 70 cm phasing line is (13.5 cm) long and the 2 meter phasing line is (41.5 cm) long. Cut the RG-62 about (5 cm) longer than these measurements and leave (2.5 cm) at each end to strip the insulation, peel back the braid, strip the center conductor, and attached the ring lugs.This is a really easy, fun antenna to build. If you are new to Amateur Radio, or just want an easy to deploy 2 Meter antenna for out in the field, this is a...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; …Slim-Jim Antenna 2m / 70cm This antenna is has a special name here in Austria, some folks call it "president's antenna" due to the fact that OE3MZC the president of the OEVSV did a presentation on the IARU YOTA meeting in 2017. This report documents my building project one day before a planned SOTA activation where I want to use it.MOXON Antenna Project website authoring responsibilities transferred from Don "K4QKY" to Steve "K6SGH" effective 11/27/04. visitor. over 4.8 million site hits over the last 12 months!!! This site is dedicated to the memory of KD6WD, John Labutski, SK, our Moxon Elmer who founded the MoxonAntennaProject in 2003. John with his best friend Buffy.Sun Sep 25, 2022 7:27 am. My first 2m/70cm was a home made job. Found a video on the net and followed that. 2 lengths of welding rod the type used with gas welding. Literally bent in a tight U with one end at 19" and the other at 9" those are just a guess but you will find the video easy enough you need 2 the same.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 …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 be refined.Nov 19, 2018 · 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.Here are the plans to build a 2 meter J-pole antenna: The above dimensions for the J-pole are in inches. Measurements on overall length, and stub length are from the centerline of the separation pipe (horizontal) to the top of the antenna. The Connect at measurement is 2 1/4 inches from the top of the horizontal member to the point of ...DIY 2m/70cm Antenna That is Better than What I Have? Rig, HYS 771Q 2m/70cm SMA-M Tactical Antenna Dual Band Foldable Portab, In this video, we build and test a 2m / 70cm dual band roll-up portable antenna., Begin by placing the Reflector elements one inch from the end o, Element phasing: 3 - 1/4, and 3 - 5/8. On 2m this antenna is phased as three 1/4 wave elements one abo, Dave shows how an old coffee can can be repurposed as a home made 2 meter/70 cm an, 2 meter 70 CM or 440 Mhz antenna building parts I found were cheap and the antenna, Diy 2m/70cm vertical dipole antenna . ANTENNA I have a b, Dual Band 2m/70 cm Vertical Ground Plane Antenna. The operational , Mag mounts are a quick and easy way to get ham radio wo, DIY 100watts RF dummy load. Diamond F22 restoration , Diy 2m/70cm vertical dipole antenna . ANTENNA I have a big tree in my , To construct the antenna, first select a suitable l, Here are the plans to build a 2 meter J-pole antenn, 2 Meter & 70cm UHF VHF Dual Band 144/430MHz NMO Mou, One of the easiest and quickest antennas to build is the Vert, #1. This must be one of the simplest yet most effecti, Challenged myself to build a usable Yagi style ante.