VHF, UHF, Microwave, and Satellite Ham Radio

Time machine HOWTO: How to win the ancient QRP contest Some time ago digging the web for information on The Radio Club of Hartford, I came across this article in QST magazine (September issue, 1921). In a nutshell, it is about a QRP contest as it should be - "Do More With Less" and then measure how big this "More" is and how much sp more... - 2013/05/21

Diode Spark Killer for Semiautomatic Key swing hell yes lots of swing is a pain to copy but a bit of swing, is a horse of a different color add a bit of a chirp and some drift cans on head pre war receiver turn down the lights sit by the glow of the tubes and dial lamps © W8ZNX I'm not sentimental, I'm just as romantic as you are, more... - 2013/05/04

Baofeng UV-5R Overview and Manual Programming UV-5RE photo 1 The Baofeng UV-5R ia a multi purpose dual band ( vhf / uhf ) hand held transceiver made in China. It covers from 136 - 174 mhz. on vhf and from 400 - 480 mhz on uhf. ( Initially, coverage in uhf was 400 - 480 mhz., currently they cover from 400 - 520 mhz) . T more... - 2013/04/20

Experimental QRP transmitter by UB5DT, "Radio" magazine, April 1967 For those of my friends tube radio builders, who asked me about "Soviet novice transmitter", "XUSSR QRP TX " (as it pronounced in telegraph),"something authentic, but not too complex" etc, such a RIG should be a good choice - easy to build and clearly adjustable design more... - 2013/04/19

GKE-100 (ГКЭ-100) Short Wave Generator Tetrode This out-of-the-way power vacuum tube was widespread, but relatively rarely used by radio amateurs in theirs home-made transmitters, leastwise I could not find any publication of a practical TX circuit or typical telegraph and AM operation ratings in accessible to me post-1950's HAM radio sourc more... - 2013/03/27

4SGGS HOME PAGE 4S6GGS Gayan Amateur Radio Station In Sri Lanka Home page Amateur Radio Sta more... - 2013/03/05