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UDXF UTILITY Dxers FORUM ELF and VLF Guide …
www.udxf.nlUDXF – UTILITY Dxers FORUM – ELF and VLF Guide Version 1.0 - updated 15 November 2001 The target of focus for this ELF and VLF guide, is manmade signals in the range from DC to 30 kHz.