Raspberry Pi Cluster – supercomputer

Computational Engineers at the University of Southampton have built a supercomputer from 64 Raspberry Pi computers and Lego. The team, led by Professor Simon Cox, consisted of Richard Boardman, Andy Everett, Steven Johnston, Gereon Kaiping, Neil O’Brien, Mark Scott and Oz Parchment, along with Professor Cox’s son James Cox (aged 6) who provided specialist support…

MX-P50A hf power amplifier for QRP transceivers

MX-P50A hf power amplifier for QRP transceivers. Can be used both as a base and mobile unit, Extremely Small Compact and light weight, Full integration with the FT-817 using the supplied interface cable. The amplifier incorporates various protection circuits such as high VOLTAGE,front mounted LED display. This amplifier can be successfully used with other QRP…

HAM Radio before the Internet

The World of Amateur Radio-Amateur Radio Vintage Film Amazing and unique video with Dick Van Dyke, Barry Goldwater, Jordan King Husein JY1, Arthur Godfrey and many others extol the virtues of amateur “ham” radio in this vintage film. Film was converted from damaged 16mm film to video tape many many years ago when the technology…