7.6.4. FP_A-GNSSCORR
This message contains statistics regarding the correction data tracked by the GNSS re-
ceivers, such as the number of L1 and L2 signals, the fix type, the average correction
data latency, update rate, data rate, and message rate, as well as the correction station
position and baseline.
Example messages:
1 $FP , GNSSCORR ,1 ,2237 ,250548.999744 ,8 ,25 ,18 ,8 ,25 ,18 , , , , , , , , ,*24
1 $FP , GNSSCORR ,1 ,2237 ,250035.999865 ,8 ,25 ,18 ,8 ,25 ,18 ,0.2 ,1.0 ,0.8 ,5.3 ,2 ,
47.366986 804 ,8 .53 2965023 ,481.1 094 ,7 254*3 F
Message fields:
# Field Format Unit Example Description
1 msg_type String - GNSSANT
Message type, always GNSS-
CORR for this message
2 msg_version Numeric - 1
Message version, always 1 for
this version of the GNSSCORR
message
3 gps_week Numeric - 2237
GPS week number, range
0–9999
4 gps_tow Float (.6) s 250035.999865
GPS time of week, range
0.000–604799.999999
5 gnss1_fix Numeric - 8
Fix status of GNSS1 receiver,
see below
6 gnss1_nsig_l1 Numeric - 25
Number of L1 signals with cor-
rection data tracked by GNSS1
receiver, range 0–100
7 gnss1_nsig_l2 Numeric - 18
Number of L2 signals with cor-
rection data tracked by GNSS1
receiver, range 0–100
8 gnss2_fix Numeric - 8
Fix status of GNSS2 receiver,
see below
9 gnss2_nsig_l1 Numeric - 25
Number of L1 signals with cor-
rection data tracked by GNSS2
receiver, range 0–100
10 gnss2_nsig_l2 Numeric - 18
Number of L2 signals with cor-
rection data tracked by GNSS2
receiver, range 0–100
11 corr_latency Float (.1) s 0.2
Average correction data latency
(10s window), range 0.0–99.9 or
null
12 corr_update_rate Float (.1) Hz 1.0
Average correction update rate
(10s window), range 0.0–10.0 or
null
13 corr_data_rate Float (.1) KiB/s 0.8
Average correction data rate
(10s window), range 0.0–50.0 or
null
14 corr_msg_rate Float (.1) msgs/s 5.3
Average correction message
rate (10s window), range 0-50 -
or null
15 sta_id Numeric - 2
Correction station ID, range
0–4095 or null
16 sta_lat Float (.9) deg 47.366986804
Correction station
latitude, range -
90.000000000–90.000000000,
> 0 for North, < 0 for South, or
null
Vision-RTK 2 | Fixposition Positioning Sensor 69