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GE PHOENIX SX Programming.
Refer to document LBI31266

First compute N, A and R as follows.

Example 1: 146.52 receive

Add the IF frequency		146.52 + 45 = 191.52

Divide by the channel spacing	191.52 / .005 = 38304

Convert to binary		38304 =  1  0  0  1  0  1  0  1  1  0  1  0  0  0  0  0
You get N and A				N9 N8 N7 N6 N5 N4 N3 N2 N1 N0 A5 A4 A3 A2 A1 A0
	A6 is always 0

Example 2: 146.52 transmit

Divide by the channel spacing	146.52 / .005 = 29304

Convert to binary		29304 =  0  1  1  1  0  0  1  0  0  1  1  1  1  0  0  0
You get N and A				N9 N8 N7 N6 N5 N4 N3 N2 N1 N0 A5 A4 A3 A2 A1 A0
	A6 is always 0
	
	
R2, R1, R0
 0   0   1	Ref. oscilator 13.2 MHz, channel spacing .0041666	(.0125 UHF)
 0   1   0	Ref. oscilator 13.2 MHz, channel spacing .005		(Most common)
 0   1   1	Ref. oscilator 13.2 MHz, channel spacing .00625	
 1   0   1	Ref. oscilator 13.8 MHz, channel spacing .0041666	(.0125 UHF)
 1   1   0	Ref. oscilator 13.8 MHz, channel spacing .005
 1   1   1	Ref. oscilator 13.8 MHz, channel spacing .00625	
	
	
	
Each frequency requires 8  4 bits nibbles as follows:

Receive:
0 : Channel Guard type	(See table 2)
1 : N9, R2, R1, R0
2 : N4, N3, N2, N1
3 : N8, N7, N6, N5
4 : A3, A2, A1, A0
5 : N0, A6, A5, A4	(1111 if channel not used)
6 : Channel Guard code	(See table 3)
7 : Channel Guard code	(See table 3)

Transmit:

0 : CCT			(See table 4)
1 : N9,  0,  0,  0
2 : N4, N3, N2, N1
3 : N8, N7, N6, N5
4 : A3, A2, A1, A0
5 : N0, A6, A5, A4	(1111 if channel not used)
6 : Channel Guard code	(See table 3)
7 : Channel Guard code	(See table 3)

Please note special codes for memory location 0F1h (number of channels in bank A),
019h (number of channels in bank B) and 011h CCT time, (See instructions).