© 2009 Cypress Solutions
Complete Manual: CTM-15X Firmware 1.2.0
(Revision 1.0)
125
7BReport Messages
8.10
Message Type 85, ULCP binary position message with GPS coordinates
Header:
0x55 0xSS 0x06 0x00 0x00 0x18 0x0000
Message body:
Hex
Description
4
bytes
Normalized latitude (RMC latitude x 100,000)
4
bytes
Normalized longitude (RMC longitude x 100,000)
2
bytes
Speed in knots
2
bytes
Heading
1 byte
GPS data validity: 0x”A” = valid; 0x”V” = invalid; 0x”B” = buffered valid; 0x”W” = buffered
invalid.
1 byte
Number of satellites used for position fix
1 byte
Position type (from GGA message)
1 byte
Digital input state (0= off, 1=on): bit 0 = input #1, bit 1 = input #2…bit 5 = input #6, bit 6 =
ignition status.
2
bytes
Altitude in meters
2
bytes
Differential correction age (only valid if differential correction being used)
4
bytes
Time (based on number of seconds since 00:00:00 January 1st 1970
Note: ULCP binary messages should not be used for local serial report mode 1 and 2 in applications where
timed message delivery is critical.
8.11
Message Type 88, ULCP message with Acceleration/Deceleration and
GPS information
Header:
0x58 0xSS 0x06 0x00 0x00 0xNN 0x0000
Where
NN
is the message length range 0x13 to 0x1D - dependent on the Modem ID string length.
Message body:
Hex
Description
4 bytes
Normalized latitude (RMC latitude x 100,000)
4 bytes
Normalized longitude (RMC longitude x 100,000)
2 bytes
Speed in km/h
2 bytes
Acceleration/Deceleration in km/h/s x 10