A

 

 

 

 

 

Trimble Standard Interface Protocol

Table A-87 Report Packet 8F-20 (Continued)

 

 

 

 

 

 

Byte #

Item/Type

 

Meaning

 

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 /

 

The broadcast ionospheric parameters.

 

8 CHARS

 

 

 

 

Table A-88 Report Packet 8F-20

 

 

 

 

 

 

 

 

Bytes

Item/Type

 

Meaning

 

 

32-47

 

 

 

 

 

 

 

 

 

 

0

PRNX/BYTE

 

Satellite number and IODC - IODE. PRN = the lower six

 

 

 

bits of PRNX. IODC = (PRNX/64)256 + IODE

 

 

 

 

 

 

 

1

IODE/BYTE

 

 

 

 

 

 

 

 

 

 

 

 

Acutime 2000 Synchronization Kit User Guide

A-107

Page 213
Image 213
Trimble Outdoors AcutimeTM2000 Synchronization Kit manual Table A-88 Report Packet 8F-20, Bytes Item/Type Meaning 32-47