New EMTRON DX5 HF Linear Amplifier
Svetlana’s “GU78” or “4CX-5000R” tube inside. No details yet.
Friedrichshafen hamradio 2010
Some fresh pictures from ON7RU (The European HAMfest 2010) Photo by ON7RU More picture – Link
New 200 MSPS SDR "Germini"
Gemini naturally expands the Microtelecom’s product line of sampling receivers towards higher frequencies. The Gemini receiver features two RF inputs, each of them independently processed by a low-noise and high dynamic range RF front-end and sampled by a high speed, 14 bit, two channels A/D converter operating at 200 MSPS. Each of the two RF…
The sun is waking up from a deep slumber
Earth and space are about to come into contact in a way that’s new to human history. To make preparations, authorities in Washington DC are holding a meeting: The Space Weather Enterprise Forum at the National Press Club on June 8th. Many technologies of the 21st century are vulnerable to solar storms. Richard Fisher, head…
Men in Black and HAM Radio
The South African “Sunday Times” reports that pensioner Greg Roberts ZS1BI has been labeled a threat to US national security. Using a telescope in his back-yard Greg ZS1BI found and recorded footage of a secret space craft, the X-37B, developed by the US Air Force. The SA “Sunday Times” reports that: With the help of…