*BAUD_RATE
9600
4800
2400
1200
600
300
*MESSAGE_UNITS
d - Degrees
m - Mils
*MESSAGE_TYPE
0 - Standard NMEA
1 - KVH Heading
2 - Corrected X & Y
3 - Uncorrected X & Y
*MESSAGE_RATE
600 - 10 Hz (10 per second)
300 - 5 Hz (5 per second)
120 - 2 Hz (2 per second)
60  - 1 Hz (1 per second)
30  - 0.5 Hz (every 2 seconds)
12  - 0.2 Hz (every 5 seconds)
6   - 0.1 Hz (every 10 seconds)
1   - 0.02 Hz (every minute)
*DIGITAL_TYPE
0 - Continuous
1 - Strobed
*DIGITAL_FORMAT
0 - Off: No Output
1 - BCD (4 characters)
2 - Gray Code (16 bits)
3 - Binary (16 bits)
4 - LRX Display
5 - NCSC Output
*ANALOG_FORMAT
0 - Linear
1 - Hysteresis Linear
2 - Sin/Cos/Ref
*DAMPING_TYPE
0 - Undamped
1 - Single IIR
2 - Sum and Dump
3 - Double IIR
4 - Window Average (when implemeted)
*DAMPING_RATE
0 - 3 seconds
1 - 4.5 seconds
2 - 6 seconds
3 - 7.5 seconds
4 - 9 seconds
5 - 12 seconds
6 - 14 seconds
7 - 16 seconds
8 - 20 seconds
9 - 24 seconds
*HEADING_TYPE
t - True
m - Magnetic

