C-Nav 2050, User Manual

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2050 User Guide
The GGA sentence, Field 14 is used as the C-Nav GPS Receiver Reference
Identification correction source being used.
The format is a four digit integer number i.e.: xxyy
Where:
xx is the Downlink L-Band Communication Satellite beam in use
yy is the GPS correction signal mode/type being used
ID
(X)
StarFire L-Band
Downlink beam
ID
(YY)
GPS Correction Signal
0 None selected or error 00 Non DGPS
1 INMARSAT Americas 01 DGPS, RTCM type 1 or 9, Single Freq
2 INMARSAT EAME 02 WAAS/EGNOS, Single Freq.,
(See GSA for SBAS Id in use)
3 INMARSAT ASPAC 03 WAAS/EGNOS Dual Freq.,
(See GSA for SBAS ID in use)
4 - reserved
- (Inmarsat AOR-E)
04 StarFire WCT, Single freq.
5 - reserved
- (Inmarsat POR)
05 StarFire WCT, Dual freq.
6 - reserved - 06 StarFire RTG, single freq.
(no ‘Tide’ Adjustment)
7 - reserved - 07 - reserved -
8 - reserved - 08 - reserved -
9 Forced to unknown frequency
(ie; Manual selection)
09 - reserved -
10 DGPS, RTCM type 1 or 9, Dual Freq.
11 StarFire RTG dual freq. (no ‘Tide’ Adjustment)
12 Code base Nav, Single Frequency, NCT Format
- Proprietary (see I/F Control Document)
13 Code base Nav, Single Frequency, RTCM 18/19
14 Code base Nav, Single Frequency, RTCM 20/21
15 Code base Nav, Single Frequency, CMR
16 Code base Nav, Dual Frequency, NCT Format
17 Code base Nav, Dual Frequency, RTCM 18/19
18 Code base Nav, Dual Frequency, RTCM 20/21
19 Code base Nav, Dual Frequency, CMR
20 RTK Mode, NCT Format (5e/5c or 5b/5c)
21 RTK Mode, RTCM 18/19
22 RTK Mode, RTCM 20/21
23 RTK Mode, CMR
24 StarFire RTG, single freq., Adjusted for “Tides”
25 StarFire RTG, dual freq., Adjusted for “Tides”
26 RTG in RTK Backup mode
Table D. 4 Reference Station output data
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