Detailed SoundCard tutorial

Ralph Mines (KC2RLM), wrote this tutorial, not just for SoundCards but for all configurations with Packet Engine. Thank you Ralph.
It is also available in Francais and Portugese.

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Your SoundCard, the one you are using now, has a build in DSP chip. Using this chip we can receive and transmit packets in ,almost, any baudrate. For the moment AGW Packet Engine supports 300b, 1200b and 9600b.

Tuning Win7 Drivers for maximum sensitivity