2m 70cm antenna diy
The Diamond Antenna X50A / X50NA is a dual band 2m/70cm high performance gain vertical base antenna for base/mobile two way radios. Diamond Antenna X50A and X50NA mobile antennas for dual band UHF/VHF transceivers; Bands: 2m (144-148MHz), 70cm (440-450MHz) Gain (dB): 4.5/7.2; Watts: 200W; Available with either UHF female (SO-239) or Type N ...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...Here's a small 2m / 70cm diplexer that is good for up to 10W of power, perfect for working satellites with a HT. The design comes from KI0AG and was originally published in the November-December 1997 AMSAT Journal. It consists of two Chebyshev low-pass / high-pass filters designed for the 2m and 70cm Amateur Radio bands.
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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 .n9taxThe 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 …Amazon.com: 2 meter yagi antenna. ... HYS Dual-Band 9.5/11.5dBi 100W Yagi Antenna 8 Element Beam 2 Meter/70 cm VHF/UHF Outdoor Yagi Antenna with U-Bolt for 144/430Mhz Ham Mobile Digital Radio/Repeater (TC-YG08UV) ... Protect & Build Your Brand; Become an Affiliate; Become a Delivery Driver;I'm confident you will find this portable "J" to far exceed any other antenna, in the same setup, to more than tripling your 2m & 70cm (440MHz) performance! Here is a step-by-step to make a portable (or base) 3/4 inch copper-pipe "J" that breaks down into four (~24" long) pieces for easy transporting. This design uses a Bungie-cord to keep all ...A 2M/70Cm antenna should cover the popular 2 Meter VHF and 70CM UHF bands. Make sure to double check the specifications to ensure you're getting the right antenna for your needs. ... Ham Radio: 2M/70Cm Skylab Build. Home-Brew 2M Antenna 143 - 148 Mhz. Final Thoughts On Selecting The Best 2M/70Cm Base Antenna. When selecting a 2m/70cm base ...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 ...I've always wanted to have a go at working the satellites but never wanted to pay out on a dual band antenna. I already have a cheap uv5r radio that's I've s...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.May 30, 2021. A coaxial Collinear antenna for 2m and 70cm mostly made from junk bits and pieces for less than £1. If you can't see the video, please insert this title URL into your …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 …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.In this video I show you 4 different no-solder antennas that I build in minutes from scraps of 75 ohm coax cable. They can be constructed with minimal suppli...Build your own portable DIY discone antenna. This design is a modified version of "SurvialComms" on Youtube. ... 49:1 End Fed Half Wave Multi-Band Antenna; New 160 Meter Antenna; 2m/70cm Ground Plane Antenna; The NE0U 160m EZ-L Antenna at WX0V; Tri-Band Fan Vertical for 40-80-160m;
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 ...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.160 Meter $39 Inverted L Antenna with home made co... Ham Radio lowest cost high performance HF antenna. Ham Radio Survival Kit; Near Vertical Incident Skywave Propagation NVIS An... 2 meter antenna tuner project; DIY 2M Ground Plane Antenna; Survival Radio Antennas 1: The coax only antenna; Ham Radio-The Light Bulb Antenna; Effective Indoor ...But keep in mind that 2M and 70cm share a similar relationship as 40M and 15M. A dipole cut for 2M will already have resonance on 70cm near 50 ohms. Making a fan dipole with these two bands may being the 70cm impedance down around 25-30 ohms. As a vertical, the 70cm radiation pattern on a 2M antenna is not ideal. It's high angle."5/8-Wavelength Vertical Antenna for Pentecost, Mobile Work," Ham Radio, May 1976. Radio sales, P. O. Box 1105, 1016 E. Eureka St.. Lima OH 45802, GOI-51048 telescoping whip antenna. Band The Shooter — A 3- Portable Antenna in a jiffy? Try Want a vertical you can put up or take down this penny-pincher's Field Day special!
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 ...Don 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 and…
Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. Industrial robots are expensive. But, then, so are construction . Possible cause: This video clip describes my build of a four element 2m portable amate.
If you need a quick, free, and easy-to-install antenna for 2m and 70 cm, please consider this wonderfully simple project using metal coat hangers. You may be able to …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...
309,00 €. Add to basket. SKU: 1370. Reviews (0) 2m-70cm The Best Dual Band Antenna 2m70DX37-2Conn with two separate connectors. Two separate antennas on the same boom. Behaves as two extreme gain monoband antennas. 1500W on 2 meters and 850W on 70cm. 12 elements on 144 MHz and 25 elements on 432 MHz. 2 meter and 70 cm Longest Dual Band Yagi ...This is post 2241 in a continuing series of simple ham radio antennas. Thanks to Paul Foulkie for this great antenna idea. This portable 2m/70cm antenna is suitable for both portable and home operation. You should be able to find most of the materials at the nearest building supply center or neighborhood hardware store.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...
Challenged myself to build a usable Yagi style the 2-meter band. Shortening the stub to move the maximum VSWR point higher in frequency is easy. Should you over- shoot, it is simple to start over again with a new piece of wire. Once you are satisfied with the results, the P L-259 can be cemented to the insulator. That's all there is to it. See you on 2 fm! Notes "5/8-Wavelength Vertical ... If you have an old satellite parabolic dish antennDualband Antenna's. 2×4 2m/70cm Compact Satt Comm Antenna; 2×3 2m 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 ...Just usage rosin-core solder. Do not make use of "plumbing solder", acid-core solder, or pipes paste. The acid in these materials breaks down the solder joint when electrical present go through it. Here is a photo of a 70 centimeters j-pole antenna that I use: This has been up for concerning 7 years. You can see how the pipe transforms black ... Welcome to an exciting new chapter in amateur radio technolo 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.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. An Improved Version. (See older version here) 3 element = 7 dBd GainMake one for your "go-kit" or even for the next ARRL FieThe 2-m/70-cm combination presents a different chall This means I have 3 models of antenna available, so have added a dedicated web page for each antenna. If you require a pair for 2m and 70cm bands, these can be shipped together in the same box. If you need a coax feeder for your antenna, I can offer various options from stock. Full details are provided on this page. 2m/70cm dual band antenna build. This Antenna is based o 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 bands. I've worked ... The half wave 2M version of the Flower Pot antenna is easily modified[An upgraded version of the Vhf dipole antenna. Now made dual band vhDual band Yagi for 2m and 70cm with 4 elements on 2m and 5 eleme 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: