graphics card

QSL Heritage - Presented is a collection of my grandfather, Les Miles's short-wave listening QSL cards from the late 1930s to early 1940's

A PC as VLF receiver - Using a PC with soundcard as a VLF receiver, how to use your PC as a receiver for narrow-band signals in the VLF radio spectrum by DL4YHF

Radio Shack Pro-97 Manual - Download Manual for Radio Shack Pro-97 in PDF format

QECA E-QSL album - e-QSL electronic card album by VK4BL, keep a local album of contacts and QSL cards on your own PC.

Sound Card Interface with Tone Keyer - An improved version of the audio interface commonly used to connect a computer soundcard to a transceiver\'s receive and transmit audio circuits