NavCom LAND-PAK Rev.N - Manual (Page 66)

Technical Reference Manual Rev. N
Blk = All; Blu = IOP w/Internal Radio ; Red = IOP & LBM ; Grn = Engine only 64
0x52 - RTCM Output Control - 16 bytes
Supported message blocks are types 1, 3, 9, 16, 18, 19, 20, 21, and 22. Note that Type 22 is
sent as applicable as an “extension” to Type 3 (Immediately following). Message types 18 and
19, 20 and 21, are controlled by bits in W2 at the rate defined in W8.
Record
Usage Command - Yes
Response - Yes Input: sets RTCM operation;
Output: reports the RTCM configuration
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 52 (hex) U08 1
Length 0x0010 U16 2
W1
Input Command Action
B1=1: Store in NVRAM.
B2=1: Request ACK
B3=1: Use Default Values
Output
B7=1: RTCM Correction Active
B6=1: Reserved
B5=1: Reference Position Available
B4=1: Dynamic RTCM mode
B3=1: RTK output Active
U08 1
W2
Control
B0=0: Type 1
1: Type 9
B1=1: Do Not Correct for Tgd
B2=1: Invert Sign of Phase in RTK Observables
B3=1: Dynamic RTCM
0: Static from Survey Point
B4=1: Send extended reference position (Type 3 &
22)
B5=1: Output RTK corrections/Observables
B6=0: RTK Observables Type 18/19
1: RTK Corrections Type 20/21
B7=1: Output Code Corrections (Type 1 / 9)
U08 1
W3
B9-B0: Station id 1
B15-B10: Reserved
U16 2
W4
Max Bit Rate = 0 is ignore; else, override correction
rates
U16 bps 2
W5 Code Correction Rate (zero is 1 Hz; else, every N) U16 sec 0 = 1 2
W6
Type 3/22 Message Rate (One output ever N
corrections); 0 defines no output
U08 1
W7
Type 16 Msg Rate. (One output ever N corrections); 0
defines no output.
U08 1
W8
RTK Correction/Obs Rate (One output ever N
seconds); 0 is 1 Hz output
U08 sec 0 = 1 1
W9 Reserved U08 1
CKSM Checksum U08 1
ETX 03 (hex) U08 1
Notes: 1. The Site in 0x50 and 0x52 are tied together; only one base site ID is allowed