A very interesting lecture from Geoff VK2TGO this month on what can be heard on the VLF band (below 22kHz, which is essentially the audio band except in RF!). Sferics, Whistlers, the Dawn Chorus.. our planet makes a lot of noise!! Unfortunately the video cut off at the 18 minute mark but it is a great […]
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Tag: VLF
February 2014 Lecture – 630m band
On Wed 19th Feb Nick VK2DX gave a technical lecture on the 630m band (472-479kHz). His lecture covered suitable transmit and receive antenna options (they are different!), as well as hardware and software for scanning the band visually. He also spoke of propagation characteristics, usually this band propagates via ground wave with a path loss […]