C.17 pv position/velocity solution – Trimble Outdoors SK8 User Manual

Page 165

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Lassen-SK8 Embedded GPS Module

C-19

Trimble ASCII Interface Protocol (TAIP)

C.17

PV Position/Velocity Solution

Data String Format:

AAAAABBBCCCCCDDDDEEEEEFFFGGGHI

Table C-17.

Position/Velocity Solution Data String Descriptions

Position is in latitude (positive north) and longitude (positive east) WGS-84. Heading is in
degrees from True North increasing eastwardly. The GPS time of day is the time of fix
rounded to the nearest second.

*

Note – The data in this message is to be considered invalid and should not be used, if the
Age of Data Indicator is equal to 0 (signifying data not available).

Item

# of Char

UNITS

Format

Value

GPS Time of day

5

Sec

AAAAA

Latitude

8

Deg

BBB.CCC
CC

Longitude

9

Deg

DDDD.E
EEEE

Speed

3

MPH

FFF

Heading

3

Deg

GGG

Source

1

n/a

H

0 = 2D GPS

1 = 3D GPS

2 = 2D DGPS

3 = 3D DGPS

6 = DR

8 = Degraded DR

9 = Unknown

Age of Data Indicator

1

n/a

I

2 = Fresh, <10 sec

1 = Old, >10 sec

0 = Not available

Total

30

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