brainwagon "There is much pleasure in useless knowledge." — Bertrand Russell

27Mar/110

Roger, G3XBM shows off a software VLF receiver

Roger, G3XBM, has been busy experimenting on the Dreamer's Band: signals somewhere around 8.9khz. These signals are actually in the audio range: so all you need to receive them are an antenna (Roger uses a largish loop antenna) and an RF preamplifier, feeding into a soundcard. Roger demos his system here, and shows reception of the Russian Alpha Beacon station operating around 12khz.

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