User's Manual

SPSx50 Modular GPS Receiver User Guide 145

Data collector report structure

4 Range valid

0: No

1: Yes

5-7 Reserved

Table B.21 Attitude calculation flags

Bit Meaning

0 0: No position

1: Autonomous position

2: RTK/Float position

3: RTK/Fix position

4: DGPS position

Table B.22 Report packet 40h structure

Byte Item Type Value Meaning

0 STX CHAR 02h Start transmission

1STATUS CHARSee Table B.23 Receiver status code

2 PACKET TYPE CHAR 40h Report Packet 40h

3 LENGTH CHAR 00h–FAh Data byte count

4 TRANSMISSION

NUMBER

CHAR Unique number assigned to a group record packet

pages. Prevents page mismatches when multiple sets

of record packets exist in output stream

5 PAGE INDEX CHAR 00h–FFh Index of current packet page

6 MAX PAGE INDEX CHAR 00h–FFh Maximum index of last packet in one group of

records

Table B.23 Data collector format report packet structure

Byte

number

Message Description

Bit 0 1 Reserved

Bit 1 1 Low battery

Bit 2–7 0–63 Reserved

Table B.20 Attitude flags

Bit Meaning