Update transmit.py update FM once per cw string

transmit.py

@@ -659,6 +659,7 @@ def cw_transmit_string(string):
 	global morse_timing
 	for character in string: 	
 		if (character != ' '):
+			update_doppler()
 			cw_transmit_char(character);
 		else:
 			sleep(7.0 * morse_timing);