Sending WSPR on the RPi Beacon

WSPR_Tx.py

    if Proceed == 1:                                          # External timing code sets Proceed = 1 for WSPR
                                                              # and enters at the start of the transmission interval
        sendFrequency(WSPR_freq)                              # setup the DDS frequency          
        GPIO.output(11, True)                                 # key the Tx
        time.sleep(1)                                         # wait for 1 second : WSPR starts 1 second into the minute
	for i in range(0,len(WSPR_Message)):                  # read each character
            sendFrequency(WSPR_freq+WSPR_Message[i]*WSPR_df)  # set frequency
            time.sleep(0.682)                                 # wait for 682 msec
	
	GPIO.output(11, False)                                # All Done - so un-key the Tx