and Engineering GPS Receiver User Manual

72
AID – HUI (0x0B 0x02)
It’s a poll request when “data length” is equal to 0. Poll GPS health, UTC, and
Ionosphere data.
Header ID Data Length Data Checksum
0xB5 0x62 0x0B 0x02 0 None CK_A CK_B
AID – HUI (0x0B 0x02)
It’s an I/O message. It transmits GPS health, UTC, and Ionosphere (Klobuchar
parameters) data.
Header ID Data Length Data Checksum
0xB5 0x62 0x0B 0x02 72 See below CK_A CK_B
Data
Offset bytes Format Descriptions Notes
0 U4 Health bit mask Every bit represents the
health of a GPS satellite (1
~ 32). 1 – health; 0 – not
health
4 R8 UTC – parameter A1
12 R8 UTC – parameter A0
20 I4 UTC – reference time of week
24 I2 UTC – reference week number
26 I2 UTC – time difference because of leap
seconds before event occurs
28 I2 UTC – week number when the next
leap-second event occurs
30 I2 UTC – day of week when the next
leap-second event occurs
32 I2 UTC – time difference because of leap
seconds after event occurs
34 I2 UTC – spare to ensure the sentence
structure is a multiply of 4 bytes
36 R4 Alpha0 Klobuchar parameters
40 R4 Alpha1 Klobuchar parameters
44 R4 Alpha2 Klobuchar parameters