Frequency A

Syscode=11.00.0001100100

Event Log shows H1-13.5 DCC:0

Model = 11 = 3 = huge.

Network ID = 00 = 0; add 1 to get NID=1

Area/site = 0001100100; you have to split those bits somewhere.

DSD+ is splitting it into Area = 0001100 (12); add 1 to get 13, and Site = 100 (4); add 1 to get 5.

Frequency B

Syscode=11.00.0001100101

Event Log shows H1-13.6 DCC:0

Area = 0001100 (12); add 1 to get 13, and Site = 101 (5); add 1 to get 6.

The bit field split point is chosen when the system operator sets things up, but there is no OTA data to tell you (or DSD+) what point was selected, so you have to guess based on the area/site bit patterns used by all of the system's sites. So is it:

00011001 00 (26-1)

-or-

0001100 100 (13-5)

-or-

000110 0100 (7-5)

-or-

00011 00100 (4-5)

-or-

something else?

At the moment, you have too little data to tell.