Simple Differential QPSK sender and receiver
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Files
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sendit.py
	Program to send differential QPSK data modulated on a
	specified carrier frequency. It's pretty self explanatory

receiveit.py
	Program to receive and demodulate differential QPSK data
	generated by sendit.py. It can read data from a file or from
	your soundcard.

dqpsk-*
	Wav-files of a message encoded using various baudrates and carrier
	frequencies. These files were created using sendit.py

rec-*
	The dqpsk-files played and then recorded with a microphone.