General definitions:

StationNumber = single character from string "123456789:;<=>?@"   for station 1 
			through 16 respectively
Frequency = integer Hz
FrequencyA/FrequencyB = A/B VFO frequency in integer Hz
StringData = free form text
ReceivedRST = 2 or 3 digit RST

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Message by message breakdown:

A = Send to remote TNC

		"A%c%s"
			StationNumber
			StringData

B = Data from remote TNC

		"B%c%s"
			StationNumber
			StringData

C = Add station to Packet and Band Map (CT's ctrl-enter)

		"C%c%d %d %d %d %d %d %d %s %s %d %d %d"
			StationNumber
			ReceivedRST
			FrequencyA
			FrequencyB
			time
			status
			band
			mode
			Callsign
			info
			qtc_num
			stn_num
			SerialNumber

D = ?

E = Log Note
		
		"E%c %d %d %04d %s %s"
			StationNumber
			SerialNumber	last entered qso serial number
			BandName		human readable band
			ClockTime		human readable time
			Callsign		last entered qso Callsign
			StringData

F = Get Frequency?
			error, not implemented

G = Pass Frequency
		"G%c %d "
			 StationNumber
			 Frequency

H = QTC?

I = QTC?

J = ?

K = ?

L = Enter QSO in log
		"L%c%d %d %d %d %d %d %d %s %s %d %d %d"
			StationNumber
			ReceivedRST
			FrequencyA
			FrequencyB
			time
			status
			band
			mode
			Callsign
			info
			qtc_num
			stn_num
			SerialNumber


M = Radio Frequency broadcast
		"M%c %d "
			StationNumber
			Frequency
			
N = Reserve serial number
		"N%c%d"
			StationNumber
			SerialNumber

O = ?

P = Pass multiplier
		"P%c %s %s"
			StationNumber
			Callsign
			StringData

Q = QTC?

R = QTC?

S = Make Sked
		"S%c %d %d %d %s"
			StationNumber
			Time
			Frequency
			Frequency?		always 0??

T = Station gab
		"T%c %s"
			StationNumber
			StringData

U = Update a QSO
		 
		"U%c%d %d %d %d %d %d %d %s %s %d %d %d %d %d %d %d %d %d %d %s %s %d %d %d"
			New.StationNumber
			New.ReceivedRST
			New.FrequencyA			always 0
			New.FrequencyB			always 0
			New.time
			New.status
			New.band
			New.mode
			New.Callsign
			New.info
			New.qtc_num
			New.stn_num
			New.SerialNumber
			Old.ReceivedRST
			Old.FrequencyA
			Old.FrequencyB
			Old.time
			Old.status
			Old.band
			Old.mode
			Old.Callsign
			Old.info
			Old.qtc_num
			Old.stn_num
			Old.SerialNumber

V = ?

W = ?

X = ?

Y = ?

Z = Broadcast time
		"Z%c %d "
			StationNumber
			time

