Yagi UHF Antenna for the 70 Cm Band (430-440 MHz) by F4HWK
In this tutorial i show you how to build a Yagi antenna for the 70 cm band (430-440 MHz). This antenna can be used to receive the ham satellite communications with any portable UHF receiver. Here i provide all build steps, with all dimensions you need.
Build the 3 x 5 Elements 2m/70cm Dualband Yagi - DW1ZWS | Panda Antenna ...
2018年11月19日 · 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. Antenna Specs from 4Nec2
The electrical design for this antenna is from Cheap Yagi Antennas for VHF/UHF by Kent Britain, WA5VJB, (Google Cheap Yagi). I re-engineered the mechanical design to be super lightweight and super easy to build. I did this by inventing a foam board boom laminated with double-sided tape, aluminum wire antenna elements and no solder coax ...
7-El.-70cm-Yagi - qsl.net
The 7-Element-70cm-Yagi, Boom 100 cm. Yagi build by Holger, DL5UP with 2-mm-Elements. New, updated design for more bandwidth (21-Mar-2010)
PG1N's HAM Radio Site - 70cm Projects - Directional Antennas
UHF Yagi is based on DL6UW Yagi antenna's design-formula. In my page you will find several details of manufacture, additional infos, construction details, Polar plots, Gain tables etc, from "YagiMax" Antenna-design program.
DIY 5 Element 70cm Yagi - W0BNC Amateur Radio
Learn how to build a 70cm Yagi antenna with aluminum rod elements and a gamma match feed. See the design, construction, and testing process with photos and results.
Cheap and Easy Yagi Satellite Antennas – AMSAT
CheapYagi for 70cm – This article is intended to enable non-satellite hams to painlessly acquire the 440 MHz downlink antenna needed to actually hear and work a satellite.
First Tower Part 10 - Building Yagis (70 cm) - Our HAM Station
2012年8月30日 · I decided to build the simplest of our four Yagi antenna first – the M2 Antenna Systems 440-21 ATV. This antenna features 21 elements on a 14 1/2 foot Boom and provides excellent gain and F/B performance.
The Daily Antenna: Homebrew 70cm (430 MHz) antennas - Blogger
2019年2月25日 · Potential uses for 70cm antennas include FM and repeater work, long distance SSB contacts, digital modes and satellite communication. Here are some ideas for 70cm antennas: ARRL's ground plane antennas for 70cm (and other bands) - PDF
ON6MU: UHF 4/6/10 Element Yagi Antenna for 70-cm
Find home made UHF Yagi antennas for 70-cm band with different element numbers and dimensions. See pictures, details and tips from amateur radio operators who made them.