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The TMCC track signal has no relationship to the serial communication standards.  It's a FSK signal with a carrier frequency of about 455khz, and it transfers data at a 3,000 BPS data rate.  Obviously, the serial port on the command base has a relationship to the serial communication standards, it's operating at 9600 BPS, one stop bit, and no parity.

The TMCC track signal has no relationship to the serial communication standards.  It's a FSK signal with a carrier frequency of about 455khz, and it transfers data at a 3,000 BPS data rate.  Obviously, the serial port on the command base has a relationship to the serial communication standards, it's operating at 9600 BPS, one stop bit, and no parity.

9600 baud.  Gee, I remember when I thought that was fast!  Of course, I looked like this, too.  

George_1980

George

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