Acutime 2000 Synchronization Kit User Guide A-107
ATrimble Standard Interface Protocol
25 Reserved 0
26 Datum Datum index + 1
27 Fix Type / BYTE Type of fix. This is a set of flags.
0 (LSB) 0: Fix was available
1: No fix available
1 0: Fix is autonomous
1: Fix was corrected with RTCM
2 0: 3D fix
1: 2D fix
3 0: 2D fix used last-circulated altitude
1: 2D fix used entered altitude
4 0: Unfiltered
1: Position or altitude filter on
5-7 unused (always 0)
28 NumSVs/BYTE Number of satellites used for fix. Will be zero if
no fix was available.
29 UTC Offset / BYTE Number of leap seconds between UTC time
and GPS time.
30-31 Week/INTEGER GPS time of fix (weeks)
32-47 Fix SVs Repeated groups of 2 bytes, one for each
satellite. The bytes are 0 if group N/A. The
following table describes the contents of each
group.
48-55 Iono Param /
8 CHARS
The broadcast ionospheric parameters.
Table A-88 Report Packet 8F-20
Bytes
32-47
Item/Type Meaning
0 PRNX/BYTE Satellite number and IODC - IODE. PRN = the lower six
bits of PRNX. IODC = (PRNX/64)×256 + IODE
1 IODE/BYTE
Table A-87 Report Packet 8F-20 (Continued)
Byte # Item/Type Meaning