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A-58 Acutime 2000 Synchronization Kit User Guide
Trimble Standard Interface Protocol
A
0x58 Report Packet 58
Satellite System Data/Acknowledge from Receiver
This packet provides GPS data (almanac, ephemeris, etc.). The
receiver sends this packet under the following conditions: (1) on
request; (2) in response to packet 38 (acknowledges the loading of
data). The data format is shown below.
The binary almanac, health page, and UTC data streams are similar to
reports 40, 49, and 4F respectively, and those reports are preferred. To
get ionosphere or ephemeris, this report must be used.
Table A-49 Report Packet 58
Byte Item Type Value Meaning
0 Operation BYTE 1 Acknowledge
2Data Out
1 Type of data BYTE 1 not used
2 Almanac
3 Health page, T_oa, WN_oa
4 Ionosphere
5UTC
6 Ephemeris
2 Sat PRN # BYTE 0 Data that is not satellite ID-
specific
1 to 32 Satellite PRN number
3 length (n) BYTE Number of bytes of data to
follow
4 to n+3 data n BYTES