General Dynamics R2600 Series - Table B-3. Private-Line (PL) Codes

*The analyzer has provisions for encoding and decoding 16 different keys. Each key is assigned two frequencies:
one from a low-tone group and one from a high-tone group. Four tones are available from each group, with 16
different combinations of low and high group tones. This table shows the tone assignments of each key.
Table B-3. Private-Line (PL) Codes
Code
Frequency
(Hz)
XZ
WZ
XA
WA
XB
WB
YZ
YA
YB
ZZ
ZA
ZB
1Z
1A
1B
2Z
2A
2B
3Z
3A
3B
4Z
4A
4B
5Z
5A
5B
6Z
6A
6B
7Z
7A
M1
67.0
69.3
71.9
74.4
77.0
79.7
82.5
85.4
88.5
91.5
94.8
97.0
100.0
103.5
107.2
110.9
114.8
118.8
123.0
127.3
131.8
136.5
141.3
146.2
151.4
156.7
162.2
167.9
173.8
179.9
186.2
192.8
203.5
B-2