Jason Buchanan, N1SU, has announced a new digital voice mode based on WinDRM called FDMDV which claims to offer robust digital voice communication with enhanced interference rejection. The new mode requires just 1.1kHz of bandwidth and is claimed to work at signal to noise ratios as low as 3dB. It is based on 15 . . . → Read More: New digital voice mode requires just 1.1kHz bandwidth
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To celebrate the rebuilding of the WWII code breaking machine Colossus, the National Museum of Computing is running a challenge. During 15th and 16th November, historic Lorenz SZ42 ciphertext will be transmitted by radio amateurs at Heinz Nixdorf MuseumForum in Paderborn, Germany at the following times and frequencies preceded by a preamble in RTTY. The preamble message, which contains information needed to receive the SZ42 transmission is here. The ciphertext will be received by two teams of amateur codebreakers at Bletchley Park. The first will comprise members of the Milton Keynes Amateur Radio Society operating amateur radio station callsign GB2BP and using modern equipment. The second team will use the same type of equipment as used in the intercept Continue reading Colossus Challenge This is the question I’ve been asking myself and others since Thursday when I passed my Foundation Amateur Radio exam. The process is apparently as follows – On the night we took the exam the papers were marked and we got our results, then the papers were sent by post to the RSGB Continue reading Oh when will I get my radio licence? |
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