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VLF reception on the PC

antenna on the soundcard

VLF reception on the PC
In the past, reception of utility stations at the low end of the radio spectrum typically required a suitable receiver or up-converter. Today, things are much simpler — just use a PC soundcard and a lot of wire.Any reasonably modern PC (Pentium 100 running Windows 95 or later) with a soundcard can be turned into a radio receiver for frequencies below 24 kHz (VLF range). This is possible without costly hardware or software additions. The only hardware you need to get your hands on is a suitable antenna. In the software department, all you need is a spectrum analysis program which is available free of charge.
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