User's Manual

Table Of Contents
1 Introduction
12 SPSx80 and SPSx81 Smart GPS Antennas User Guide
About the SPSx81 Smart GPS
antenna
The SPSx81 Smart GPS antenna family comprises
the following Smart GPS antennas:
SPS781 Basic base
SPS781 Basic rover
SPS781 Max
SPS881 Extreme
The Smart GPS antennas are designed for all
on-the-rod rover operation and rapid daily base
station setup operation.
All the SPSx81 Smart GPS antennas track the
GPS L1/L2 and modernized L2C satellite signals.
SPS781 Basic Smart GPS antenna
The SPS781 Basic Smart GPS antenna is the entry
level receiver in the SPSx81 Smart GPS antenna
family. The SPS781 Basic is available in the
following configurations:
SPS781 Basic base
SPS781 Basic rover
The receiver is optimized for use on small-to-
midsize construction projects.
SPS781 Max Smart GPS antenna
The SPS781 Max Smart GPS antenna is available
from new or as an upgrade to the SPS781 Basic
Smart GPS antenna. The SPS781 Max
configuration provides you with base and rover
operation capability plus the ability to work at
longer ranges from the base station, and to
operate as a rover in a Trimble Virtual Reference
Station (VRS
) network.
SPS881 Extreme Smart GPS antenna
The SPS881 Extreme Smart GPS antenna can
track the existing GPS L1/L2/L2C satellite
signals. This Smart GPS antenna can be
upgraded to use signals from the Russian
GLONASS satellites, providing increased satellite
availability and fewer/shorter GPS outages. This
receiver can also be upgraded to track the GPS
modernized L5 signal as it becomes available.
The use of the Smart GPS antenna with the signal
upgrades, provides the ability to initalize faster,
work in harsher satellie enivornments, and to
work at longer ranges from the base station.
Related Information
Sources of related information include the
following:
Help – The SCS900 Site Controller software
has built-in, context-sensitive help that lets
you quickly find the information you need.
Access it from the Help menu. Alternatively,
click the ? button in a dialog, or press [F1]. On
a Microsoft
®
Windows
®
CE device, select
Start / Help.
Release notes – The release notes describe
new features of the product, information not
included in the manuals, and any changes to
the manuals. They are provided as a .pdf file
on the Trimble SPS GPS Receiver CD.
Trimble training courses – Consider a
training course to help you use your GPS
system to its fullest potential. For more
information, go to the Trimble website at
www.trimble.com/training.html.
Technical Support
If you have a problem and cannot find the
information you need in the product
documentation, contact your local dealer.
Alternatively, go to the Support area of the
Trimble website
(
www.trimble.com/support.shtml). Select the
product you need information on. Product
updates, documentation, and any support issues
are available for download.