iXBlue GAPS - Page 216

GAPS - User Guide
I.17 POSIDONIA 6000
● Data received: Transponder number, Transponder latitude, Transponder longitude,
Transponder depth, Latitude standard deviation, Longitude standard deviation, Depth
standard deviation, Delay
● Data frame: Binary format (32 bytes)
Message <Sync><F1><F2>…..<F8><Ch1Ch2>
Byte 0 0x24 Synchronization byte
Data Field 1
Byte 1
Transponder number
Warning: The first received number is used as a
synchronization byte for all the other inputs
Data Field 2
Bytes 2 to 5
Transponder latitude +/-2
32
= +/-Pi signed 32 bits
Data Field 3
Bytes 6 to 9
Transponder longitude +/-2
32
= +/-Pi signed 32 bits
Data Field 4
Bytes 10 to 11
Transponder depth
IEEE floating point format , meters
Warning: Not used by the INS
Data Field 5
Bytes 12 to 17
Latitude standard deviation IEEE floating point format , meters
Data Field 6
Bytes 18 to 21
Longitude standard deviation IEEE floating point format , meters
Data Field 7
Bytes 22 to 25
Depth standard deviation IEEE floating point format , meters
Data Field 8
Bytes 26 to 29
Delay IEEE floating point format , seconds
Bytes 30 to 31 Checksum
Addition of all the bytes from 0 to 29.
Warning: 2 characters
216 MU-GAPS-AN-005-H - November 2019