UNICORECOMM Unicore User Manual

Command and Log Reference
29
ID
Field
Description
Symbol
Example
sea level
11
a-units
Units of antenna height (M = meter)
M
M
12
undulation
Undulation: the vertical separation
between the geoid and the WGS84
ellipsoid
x.x
-15.174
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]
6.1.2 GPGGA GNSS Fix Data output by GPGGA
This command is used to log time, multi-system positioning fix data of the receiver.
Output GNSS fix data using “$GPGGA” as the message header by force. The message
begins with GPGGA.
Recommend Input:
Output 1Hz GPGGA message from current serial port:
GPGGA 1
Output 1Hz GPGGA message from com2:
GPGGA COM2 1
LOG output:
$GPGGA,025754.00,4004.74102107,N,11614.19532779,E,1,18,0.7,63.
3224,M,-9.7848,M,00,0000*58
Table 6-3: GPGGA Message Description
ID
Field
Description
Symbol
Example
1
$GPGGA
Log header
a
$GPGGA
2
utc
UTC time of the current position
(hours/minutes/seconds/
decimal seconds)
hhmmss.ss
170659.00
3
lat
Latitude (DDmm.mm)
IIII.II
4001.1220

UNICORECOMM Unicore Specifications

General

Brand	UNICORECOMM
Model	Unicore
Category	Control Unit
Language	English