UNICORECOMM Unicore User Manual

Command and Log Reference
36
ID
Field
Description
Symbol
Example
between the geoid and the WGS84
ellipsoid
13
u-units
Units of undulation(M = meter)
M
M
14
age
Age of differential correction data,
seconds
xx
This value is set to
00 when no
correction data
available
15
stn ID
Differential base station ID, between
0000 and 1023
xxxx
This value is set to
00 when no
correction data
available
16
*xx
Checksum
*hh
*3F
17
[CR][LF]
Sentence terminator
[CR][LF]
6.1.7 GPGSA GPS DOP and Active Satellites
This command is used to log receiver operating mode, satellites in use and DOP
values.
Recommend Input:
Output 1Hz GPGSA message from current serial port:
GPGSA 1
Output 1Hz GPGSA message from com2:
GPGSA COM2 1
LOG output:
$GPGSA,M,3,22,25,12,14,18,09,31,,,,,,1.7,0.9,1.4*37
Table 6-8: GPGSA Message Description
ID
Field
Description
Symbol
Example
1
$GPGSA
Log header
$GPGSA
2
mode MA
A = Automatic mode, 2D/3D
M = Manual input mode, fixed in 2D
or 3D
M
M
3
mode 123
Mode:
1 = Fix not available;
2 = 2D;
3 = 3D
x
3
4 - 15
prn
PRN numbers of satellites in use
(unused fields is null), contains 12
fields;
GPS = 1 to 32
xx,xx,.....
18,03,13, 25,16,
24,12, 20,,,,

UNICORECOMM Unicore Specifications

General

Brand	UNICORECOMM
Model	Unicore
Category	Control Unit
Language	English