2m 70cm antenna diy

1. Here is what I have. • A Baofeng Uv-82 transceiver. • A 1/2 inch 10 foot PVC pipe. • 3 1/4 inch x 36 inch Aluminum rods. • 2 1/4 inch x 48 inch Steel rods (I know they'll rust, it's just temporary to get it to work, I'll get aluminum later) I don't have any coaxial cable (don't know the best type to get) and don't know how to match ...

30 Aug 2016 ... The antennas that Kevin AG6YO describes are single-band antennas. If there aren't many 70cm repeaters in your area, then a single-band 2m ...Includes Ground Plane Radials. The Laird MBCN is a Mobile to Base Station Antenna adapter for use with VHF and UHF antennas. The kit includes NMO to N-Female adapter and (4) 22 inch long ground plane radials. NOTE: Whip antenna, mounting pole and coaxial cable are NOT included. www.arcantenna.com.HYS 2m 70cm Antenna Base Station 68.89inch Fibreglass Antenna with SL16 Connector for Mobile Ham Radio Transceiver Two Way Radio Retevis RT95 Ham Radio Transceiver, Dual Band Transceiver, Rotatable LCD Dual Display, 200 Channels, 5W/15W/25W, CTCSS/DCS, Mini Mobile Transceivers with DTMF MicrophoneDave 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 …On most of the J Pole designs out there, a choke should be used as close to the feedpoint of the antenna as possible to help prevent rf on the feedline and creating difficulty with SWR readings. For 2 meters, the coil is 4 turns of coax at 5 inches in diameter. You should get good results with the choke within 3 or 4 inches of the feedpoint on ...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...

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 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.18 Jun 2022 ... I've been wanting to make this video for a while. This little handheld 2m/70cm Yagi is an easy build, and it performs really well on both ...The Yagi antenna is a directional antenna that typically consists of three elements: a reflector. a dipole. one or more director elements. The reflector is placed at the rear of the dipole. The length is usually 5% more compared to the driven element. The spacing of the reflector from the dipole is about 0.1 to 0.25 of the wavelength.Based on HB9CV, F6ITV decribes how build a swiss quand antenna for 28 and 50 Mhz. Quad vs. Yagi Why go for a quad rather than a yagi 2-Element-DK7ZB-Quad for 5 Bands 10-12-15-17-20m A description was in the German Ham-Magazine "Funkamateur" in Issue 11/2003 2 meter cubical quad antenna W7SIR cubical quad antenna for 146 mhz EI7BA's Amateur ...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 …

70cm/2m antenna build, method of how I built it and tested it. #hamradio #satellite #FM #moxon #yagi #SO-50 #ham #2meter #70cmJul 11, 2018 · 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 ...Created by on 2003-12-03. The NA4IT "CHEAP" Dual Band Ground Plane Antenna. Here is a neat little antenna that is very easy and cheap to build. It is ideal for Technician class hams needing a "first" antenna, and also a very good "emergency" antenna for use during Skywarn events when you don't want to be on the sky hooks tall in the sky!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.An antenna for frequency F will also be resonant near F*3, so you may not even need 70cm elements. The different length conductors show different impedances at different frequencies; at a given source voltage you can drive the most current into a conductor when the impedance (AC resistance) is low. The lowest impedance is offered by 1/4 wav

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The new 2M/70cm has higher gain and is mounted 10 feet higher than the previous antenna. The 6M HO Loop is very narrow-band, but the SWR is nearly perfect at 50.3 MHz, so it will be great for digital and CW work. I did tune to 50.313 MHz and could hear and decode lots of FT8 from stations participating in the ARRL June VHF Contest.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 stars. Estimated Ship Date: Tuesday 5/28/2024. Free Shipping; Documentation...Loading Estimated Ship Date: Tuesday 5/28/2024. Free Shipping;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...This Parts item by BarberTechnologies has 244 favorites from Etsy shoppers. Ships from Warren, OR. Listed on May 16, 2024.

Aug 13, 2021 · HAM RADIO: Easy SlimJim / J-Pole Dual band Antenna Build for 2m/70cm, Thanks to a book I purchased many moons ago, I have found the perfect way to pass a ra...In this quick video, Jim (AG6IT) shows us how to change a piece of unwanted gear into something useful. Here are some comments from Jim: a 40 inch slot cut in a parabolic dish, fed with a so239 jumper about 4.5 inches from the end of a slot, yields a stealthy antenna which can be used for 2m and 70cm. Vertically polarized and blends in nicely.In this video I've kept the time down to under 5 mins and easy to follow along. In the video I show you my way of building a very inexpensive and easy to bui...However, if the only repeater you intend to use from your home is a 2m machine, and you have no interest in other VHF/UHF band operations, then a single band VHF antenna may be your choice. (Ditto for only 1.25-m, 70-cm, or 6-m band ops). Consider the local radio resources available to you and how you wish to use them, and then decide what band ...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 …Some simple portable antennas for 10 & 6 metres. Super simple 2m & 70cm antennas for FM, SSB & digital modes. Build a hanging dipole for 2 metres. 4 element portable yagi for 2 metres. Importance of inspecting and maintaining antennas used in the salty air (video) 3. Pedestrian mobile and ultra-small antennasThe 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 ...2m/70cm is pretty easy... almost anything that works well on 2m will work fine on 70cm, and a lot of designs are balanced between the two. To get all three though, it gets a bit trickier. Easiest solution is to build/buy a discone. The biggest issue with moving your VHF+ antenna further away is that coax losses are pretty high on UHF.Mar 18, 2013 · 2m Eggbeater II The 2 meter loops are 51 cm wide by 63 cm tall; 2 meter the reflectors are 100.5 cm long and 101 cm below the driven elements. 137 MHz WX Sat Dimensions The loops should be built with # 8 AWG wire and the reflectors should be increased to about 1/4" diameter. The loops will be 54 cm wide by 66.5 cm high.Duoband-Dipol 2m/70cm: 2m/70cm 2+2/3 El. 2m/70cm 4+5 El. ... Small Duoband-Antenna for 2 m . and 70 cm by DK7ZB. Sometimes a small two-band directional antenna is the first choice for portable operation or for the balcony under restricted conditions. It is not always possible to accommodate a larger directional antenna.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 ...

2 m 6.7 dB3.9 o. 70 cm11.0 dB1.4 o. The Centre Frequencies for the antenna shown is 145 MHz and 435 MHz. Comparison of Far Fields for the antenna at 435 Mhz and 145 Mhz. The antenna shows an SWR less then 1.3 between 430 and 440 Mhz and less than 2:1 between 140 and 150 MHz according to the Model.

How to Build a Dual-Band Antenna for 2M/70cm. Rubber Ducks are Kinda Like Rubber Chickens. Rubber duck nearly an isotropic source, but not as good. Victim’s head absorbs some of the RF (maybe that explains a few things...) Capacitance to body makes a “sortaground” that supplies half of the antenna plus a decent dummy load.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.2M Yagi Antenna: This antenna is my 'experimental' twist on the tape measure yagi antenna. ... *The reflector needs to be 1.05M in length, take a tape measure to the DIY store as there is some tolerance in the actual provided lengths. I got lucky and found one that was 1.06M. If unlucky see my modifications section. Step 2: Design. Element ...I was able to measure 1.3 dB insertion loss through the 2m path and less than 2 dB of insertion loss in the 70 cm path, though admittedly I performed this measurement using a edge launch connector to measure the performance before the enclosure arrived. The next step will be to get this on the air! 2m/70cm Duplexer. 73s,HYS 2m 70cm Antenna Base Station 68.89inch Fibreglass Antenna with SL16 Connector for Mobile Ham Radio Transceiver Two Way Radio Retevis RT95 Ham Radio Transceiver, Dual Band Transceiver, Rotatable LCD Dual Display, 200 Channels, 5W/15W/25W, CTCSS/DCS, Mini Mobile Transceivers with DTMF MicrophoneDon Murray W9VE Building a Dual-Band Antenna Mentorfest 10/23/04 1 How to Build a Dual-Band Antenna for 2M/70cm. Don Murray W9VE Building a Dual-Band Antenna Mentorfest 10/23/04 ... 10. Finally, adjust position of bracket on conduit for best 2M SWR. 11. Tighten and check all hardware 12. Weatherproof entire area above and between conduit andBuild a 3-element Yagi-Uda antenna for 2 meter and 70 cm Amateur Radio bands with low-cost common building materials from your local hardware supply store. This antenna …

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5/8th Wave 10 M Vertical Antenna Build youtube; Random Wire Antennas using the LDG 9:1 UnUn; Junk Box Ham Stick Mount for Portable/SOTA; How to make a 2 meter yagi and get 7 Db for 7 bucks; Ham Radio Junk Box Antenna Dummy Load; SOTA Linked Dipole For 40-20-17-15m; HF Portable - Choosing the right antenna; Stealth HF AntennasThe original Ed Fong Dual Band VHF/UHF 70cm/2m J-Pole PVC Pipe Antenna : Eye-On-StuffPlease consider donating to my channel so I can make more videos for you...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 ...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 .n9taxAdjust the tuning screw for maximum reading on the 415 meter. Remove the cavity and connect point X to Y. Set the signal generator to the repeater output frequency and adjust the 415 for a 0 reading on the 20 dB scale. Reinsert the cavity between X and Y and adjust the cavity tuning for minimum reading on the 415.In this video I've kept the time down to under 5 mins and easy to follow along. In the video I show you my way of building a very inexpensive and easy to bui...=====http://fuzzthepiguy.tech/yagi-2/=====#hamradioporn #antennas #cw #dx #pl #radioamadorism...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)One thing that people hate when they have a TV antenna is when it can't get a good signal. Some of you have probably been trying to figure out where else you can mount your antenna...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 ...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) ….

Not so long ago I built my version of The Home-Brew SKYLAB Starduster for 26 - 30MHz, Super simple to build with just 10 metres of wire and a length of coax....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.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 ...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.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 starsDual Band 2m-70cm J-Pole Antenna DIY project that can be "Rolled Up" and conveniently transported in you Go Kit and un-rolled when on site. At you station at...Prototyp OSJ-Antenne Duoband 2m/70cm. Prototype OJS-Antenne Befestigung. Entgegen der Behauptung, dass durch den Abstand der Stäbe eine Richtwirkung einträte, kann ich bestätigen, dass dem nicht so ist. Jedoch gibt es aber eine leichte fast unmerkliche Abschwächung im 70cm-Band in die Richtung des langen Abstimmstabes.Sep 24, 2020 · 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...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 ... 2m 70cm antenna diy, [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1], [text-1-1]