OmniSTAR 8200HP User Manual
Issue 1.07, 10/2008
2
Introduction
About This Manual
This manual has been produced to assist the typical user with the installation
and operation of the OmniSTAR 8200HP DGPS Receiver.
System Features
The OmniSTAR 8200HP DGPS Receiver is part of the OmniSTAR world-wide
DGPS Service. The OmniSTAR service is a full-time differential GPS (DGPS)
broadcast system delivering corrections from an array of GPS reference
stations located around the globe. Reference stations provide industry
standard formatted corrections to Network Control Centres (NCC’s) at strategic
geographic locations, where the corrections are decoded, checked, and
repackaged in a highly efficient format for broadcast. The data is modulated
onto an RF carrier that is then up-converted for transmission to an L-band
communications satellite.
The signals are received at the user's location by an antenna, demodulated by
a receiver, and are made available, after selection of the desired individual
reference site's data set, as corrections for use in a GPS, differential-capable,
receiver.
The OmniSTAR 8200HP series of receivers support the following OmniSTAR
®
services:
HP, this is the High Performance service where dual frequency GPS carrier
phase measurements are used in an intelligent and innovative way to create
wide area positioning results of unmatched accuracy and performance.
XP, this is the Extended Position service where precise orbit and clock data is
used to determine the position worldwide without using any reference stations.
VBS, this is the Virtual Base Station service where single frequency GPS code
phase measurements are used to create RTCM corrections data optimised for
the users current position.
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