Trimble Outdoors 58052-00 Benutzerhandbuch
Copernicus GPS Receiver 1 9 7
TRIMBLE ASCII INTERFACE PROTOCOL (TAIP) B
LN
Long Navigation Message
Note –
The first character of latitude, longitude, altitude or vertical speed (S) is“+” or “
-
”.
Data String Format:
AAAAA.BBB(S)CCDDDDDDD(S)EEEFFFFFFF(S)GGGGGGHHIIIJ(S)KKKLM
MMNOOPPQQPPQQ...PPQQRRRRRRRRRRXT
MMNOOPPQQPPQQ...PPQQRRRRRRRRRRXT
Note – At least 2 satellites are required to get the LN Message.
Position is in degrees, minutes, and decimal minutes. Latitude is (positive north);
longitude is (positive east) WGS-84. Heading is in degrees from True North
increasing eastwards. The GPS time of day is the time of fix rounded to the nearest
second.
longitude is (positive east) WGS-84. Heading is in degrees from True North
increasing eastwards. 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
Char
Units
Format
Value
GPS Time of Day
8
Sec
AAAAA.BBB
Latitude
10
Deg
(S)CC.DDDDDDD
Longitude
11
Deg
(S)EEE.FFFFFFF
Altitude above
MSL
MSL
9
Ft
(S)GGGGGG.HH
Horizontal speed 4
MPH
lll.J
Vertical speed
5
MPH
(S)KKK.L
Heading
4
Deg
MMM.N
Number of SVs
used
used
2
n/a
OO
SV ID (see note)
2
n/a
PP
IODE (see note)
2
n/a
QQ
Reserved
10
n/a
RRRRRRRRRR
Fix Mode
1
n/a
X
0=2D GPS
1=3D GPS
2-8 reserved
9=no fix avail.
1=3D GPS
2-8 reserved
9=no fix avail.
Age of Data
indicator
indicator
1
n/a
T
2=fresh,<10 sec.
1=old,>10 sec.
0=not available
1=old,>10 sec.
0=not available
Total number of characters is 65 + 4x (number of SVs used)