2m array

Four over Four for 144MHz - This article describes the 144MHz horizontally polarised antenna at VK1OD in November 2008. The antenna uses two identical four element arrays that were constructed around 1970

YU7EF Pop 6 & 7 Elements antenna - YU7EF Pop 6 elm for 50Mhz and 7elm for 70Mhz, a 4+6m douband with 12mm Alu tubing

The Curtain Quad - The Curtain Quad is a broadside array of 7 to more than 200 elements using a very powerful but seldom used method of power distribution

The Gain of an Endfire Array - This article looks at the maximum theoretically possible directive gain that could be obtained with an endfire array of given length or number of elements, and compares this with practical results in the literature.

An 8x2 Element Array Antenna For 144 MHz - The Contesters Choice

The K7TJR Array 160m antenna - Anyone attempting to work DX on Top-Band 160 Meters, soon learns of the need for a good receiving antenna. This is a 160 meter 8 element receiving array.

Mobile 2 meter halo antenna - This HALO design is not ground dependent and can be mounted atop a section of PVC.

A Tree Friendly 2 Meter Halo Antenna by KR1ST - Article on a 2 and 6 meters halo antennas that does not require a mast has a very low part count and can easily be built with a minimum of tools.

The simple 144/440 copper pipe J - Projects by Dale Kubichek, N6JSX

Log Periodic of Another Sort - A log periodic dipole array (LPDA) antenna design that offer continuous low SWR in 13-30MHz range

2m Pocket Beam - The 2m portable pocket beam, a small 2 element yagi antenna by GW0VMW

A UHF Discone Antenna for scanners - Article on discone antennas by William K2MQJ and Rudolf KA2CWL

VHF/UHF Folded Diplole - This is a two element colinear design for vertically polarized radiation. It may be constructed for use on either 2m or 70cm

3 element portable Yagi for 2 meters - The I DX 3 Element Portable Yagi for 2m by MW0IDX

VHF UHF European Beacons - MMMonVHF maintains the data for 6m, 2m, 70cm and 23cm bands in collaboration to LA0BY. This site allow display of a beacon map and latest beacon spots.

T32 line DX logs - T32 DX peditions logs, T32CI T32MI T32SI T32VI

The 520er's of Southeast Texas - The site for South East Texas 2m Amateur Radio Come and join us on 146.520 each and every day and night. There is always someone around, a great friendly bunch to boot.

wb4bcr Receive 4 Square Control Unit - Build a Receive 4 Square Array! Make your own 160 meter 4 square receive antenna.

DK9SQ Antennen - Walter Spieth Antennen offer, Duoband-Portable-Log. Periodic 2m/70cm, Vertical-Loop-Antenna,10-40 Meter and PortableW3DZZ-Antenna as well as fiberglass tubes

Yaesu VX-3 Features - A complete product page about the Yaesu VX-3 ultra-compact VX-3R 2m/70cm FM HT Transceiver

144 Mhz power amplifier 4CX250B - This page provides information on the design and practical implementation of a rather inexpensive 144 MHz high power amplifier using a pair of ceramic tetrodes type 4CX250B by LA0BY

A 20W Amplifier for 2 meters - VU2RAR basic VHF power amplifier suitable for 144-146 Mhz output power can vary from 3 to 25 Watts.

Building of CU 4m Beacon CU8DUB/b - Beacon is based on a old 4m Storno CQF632 from PA who OZ2M got in Weinheim

Diplexer 2m 70cm - This DIPLEXER separates 2m from 70cm on the same coax cable, and allows to use 2 antennas over the same cable and permits transmission on one band and simultaneous receiption on the other band by hb9abx

Diplexer for 2m and 70 cm - Schematics of a homebrewed diplexer for VHF and UHF in german