Spatial FOG Reference Manual
Page 48 of 144
Version 2.3
03/05/2018
10.11.2
Base station radio modem RTK corrections
Base station radio modem RTK corrections require two additional pieces of hardware,
these are the base station and the radio modem receiver. The base station is setup at
a fixed location and transmits corrections to the radio modem receiver that is
connected to the mobile Spatial FOG unit. The radio modem receiver and Spatial FOG
unit must remain within range of the base station to receive these corrections,
typically this range is approximately 50km. Advanced Navigation recommends
contacting a local surveying company for assistance setting up a base station.
10.12 Raw Satellite Data
Spatial FOG supports outputting raw satellite data. This raw satellite data can be used
by post-processing programs to achieve high accuracy kinematic positioning.
The maximum output rate for raw satellite data is 20Hz and it can be enabled by
turning on the Raw Satellite Data Packet (ID 60) in the packet rates dialogue in Spatial
FOG Manager, see Illustration 27. This packet will be automatically converted to RINEX
v3.02 by Spatial FOG Manager’s log converter utility.
Illustration 25: Trimble
R8s base station
Illustration 26:
Trimble TDL
450L radio
modem