NavCom LAND-PAK Rev.N - Manual (Page 70)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only 68
0x55 - WAAS Satellite List - 8 bytes
Allows control of which WAAS satellites are used.
Record
Usage Command - Yes
Response - Yes Input: sets RTK self-survey operation;
Output: reports the current averaged position and period
Ref Message Field Description Data Type Units Range Scale
Byte
Count
STX 02 (hex) U08 1
PRA1 99 (hex) U08 1
PRA2 66 (hex) U08 1
ID 55 (hex) U08 1
Length 0x0008 U16 2
W1
Command Action
B1=0: Do not store in NVRAM
1: Store in NVRAM
B2=0: Do not use ACK/NAK
1: Use ACK/NAK
B3=0: Use Commanded Values
1: Use Default values
U08 1
W2 WAAS PRN Selection 1 U08 1
W3 WAAS PRN Selection 2 U08 1
W4 Reserved U08 1
CKSM Checksum U08 1
ETX 03 (hex) U08 1
1. For multiple command actions, the bits in W1 may be Or’ed.
2. W1 on retrieve contains number of WAAS capable channels.
This table includes PRN/Satellite ID for WAAS/EGNOS/MSAS/GAGAN. Satellites IDs
are the PRN number less 87.
The following PRNs have been allocated to the WAAS system:
Geostationary PRN Search Method NMEA Satellite ID
AOR-W 122 not in service 35
Anik 138 Auto 51
POR 134 not in service 47
PanAm 135 Auto 48
The following PRNs have been allocated to the EGNOS system:
AOR-E 120 Auto 33
Artemis 124 Manual 37
IOR-W 126 Manual 39
IOR-E 131 Auto 44
The following PRNs have been allocated to the MSAS system:
MTSAT-1 129 Auto 42
MTSAT-2 137 Auto 50
The following PRNs have been allocated to the GAGAN system:
GSAT 127 Manual 40