Anybody here interested in VLF reception with the soundcard in your computer?
I'm a lifelong student of electricity and currently tinkering around with RTL SDR and came across this idea of using the sound card in a computer to receive VLF in the 0 ~ 40Khz range.
http://dl1dbc.net/SAQ/http://www.qsl.net/dl4yhf/speclab/vlf_rcvr.htmhttp://www.rtl-sdr.com/receiving-vlf-pc-sound-card-miniwhip-antenna-saqrx/I think listening for SAQ might be fun as well as the other signals in that very long wave band.
I should mention another use I intend for this setup. Sergei and Leonid Plekhanov's experiment to test Tesla's wireless energy transmission ideas should be detectable with the proper antenna. Since their oscillations will be at aproximately 10Khz they fall within the range of this receiver setup but the waves will be primarily E field a normal wire or ferrite rod type antenna may not be sufficient.