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A      TRIMBLE STANDARD INTERFACE PROTOCOL (TSIP)

1 7 2      Copernicus GPS Receiver

This packet provides complete information about the current position velocity fix in a 
compact, fixed-length 56-byte packet. The fields are fixed-point with precision 
matched to the receiver accuracy. It can be used for automatic position/velocity 
reports. The latest fix can also be requested by 

0x

8E-20 or 0x37 commands.The data 

format is shown below.

Table A.69

Report Packet 0x8F-20 Data Formats

Byte

Bit

Item

Type

Value

Definition

0

Sub-packet id

UINT8

Id for this sub-packet (always 
0x20)

1

Reserved

UINT8

Reserved

2-3

East velocity

INT16

0.005 m/s or 0.020 m/s
See Note 1.

4-5

North velocity

INT16

0.005 m/s or 0.020 m/s
See Note 1.

6-7

Up velocity

INT16

0.005 m/s or 0.020 m/s 
See Note 1.

8-11

Time Of Week 

UINT32

GPS Time in milliseconds

12-15

Latitude

INT32

-2

30

 to 2

30

 

WGS-84 latitude, 2

-31

 

semicircle (-90° - 90°)

16-19

Longitude

UINT32

0

 

to 2

32

 

WGS-84 longitude, 2

-31

 

semicircle (0° - 360°)

20-23

Altitude

INT32

Altitude above WGS-84 
ellipsoid, mm.

24

0

Velocity Scaling

0
1

0.005 m/s

2

0.020 m/s

2

1-7

reserved

25

reserved

26

Datum

Datum index + 1, 0=unknown

27

0

Invalid Fix 

 Bit

0
1

No (Valid Fix)
Yes (Invalid Fix)

1

Reserved Bit

0

Reserved

2

Fix Dimension

Bit

0
1

3D
2D

3

Alt Hold

Bit

0
1

Last 3D Altitude
User-entered altitude

4

Filtered

Bit

0
1

Unfiltered
Filtered

5-7

reserved

28

NumSVs

 UINT8

Number of satellites used for 
fix. Will be zero if no fix avail.

29

UTC Offset

 UINT8

Number of leap seconds 
between UTC and GPS time.

30-31

Week 

 INT16

GPS time of fix, weeks.