17
Base Stream Format
After configuring NS-HP-GN2 to RTK base mode, the default base stream outputs are packaged in
SkyTraq RAW measurement protocol. The outputted messages include:
1) Message type 0xDE – SV and Channel Status
2) Message type 0xDF – Receiver Navigation Status
3) Message type 0xE0 – GPS Subframe Data
4) Message type 0xE1 – GLONASS String Data
5) Message type 0xE2 –Beidou D1 Subframe Data
6) Message type 0xE3 –Beidou D2 Subframe Data
7) Message type 0xE5 – Extended RAW Measurement
8) Message type 0xE6 – General Subframe Data
9) Message type 0xE7 – GNSS SV and Channel Status
10) Message type 0xE8 –GNSS SV Elevation and Azimuth Status
The necessary message types of base stream used for NS-HP-GN2 RTK rover mode are only “Receiver
Navigation Status (0xDF)” and “Extended RAW Measurement (0xE5)”. To decrease the throughput of
base stream, other unnecessary message types can be disabled from the base stream. From GNSS
Viewer RAW pull-down menu, select Configure Binary Measurement Data Out, disable unnecessary
message types, select necessary message types and Update to SRAM+FLASH.
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