Honeywell KLN 94 GPS Receiver User Manual


 
B KLN 94
Rev. 4, Jan/2003 10599I04.CDL Page A-8
FORMAT C (108 BYTE ASCII STRING) - con’t
BYTE DESCRIPTION / FORMAT
93 Drift Checksum
Sum for drift bytes, excluding the direction character
Example:
The sum for “41L” would be “5” (35H).
94-98 Rate of change of PALT (feet/minute)
ASCII -coded decimal format with a sign character
Example:
A PALT rate of change of -210 ft/min (descent), would be “012-” (30H, 31H, 32H, 30H,
2DH).
99 Rate of change of PALT checksum
Sum for PALT rate of change bytes, excluding the sign character, as for PALT.
100-
102
Magnetic Heading (degrees from magnetic North)
ASCII-coded decimal format, as for wind direction
103 Magnetic Heading Checksum
Sum for magnetic heading bytes, as for IAS
104-
106
Static Air Temperature (×C)
ASCII-coded decimal format with a sign character
Example:
A static air temperature of -2×C would be sent as “20-”.
107 Static Air Temperature Checksum
Sum for static air temperature bytes, excluding the sign character, as for PALT.
108 ETX (ASCII code 03H)