DeLorme Topo North America 10.0 User Manual page 262

Topo USA User Guide
The Satellite Listing window displays the satellites that are currently
visible in the sky. The columns list the satellite number, elevation,
azimuth, and signal-to-noise ratio.
Satellite Listing information is only available for DeLorme receivers and
NMEA-compatible receivers.
Almanac
When using a DeLorme GPS receiver, the Almanac window displays the
satellite number and its current status.
N–Indicates the satellite is being used for navigation.
E–Indicates ephemeris data is available for the satellite.
T–Indicates the satellite is currently being tracked by your GPS
receiver.
D–Indicates differential data is available for that satellite.
Notes
Skyview
The Skyview diagram indicates visible satellites, their number (assigned by
the Department of Defense), and their position in the sky relative to your
current position. Each satellite is color coded, based on the quality of data
it is transmitting.
Gray–Indicates the satellite's position in the sky.
Red–Indicates your GPS receiver is tracking the satellite but it is not
receiving data from it.
Yellow–(DeLorme GPS receivers only) Indicates your receiver is tracking
the satellite, ephemeris data is available, but the satellite is not being used
for navigation.
Green–Indicates your GPS receiver is tracking the satellite, ephemeris data
is available, and the satellite is being used for navigation.
Dark Green–WAAS-enabled receivers only. Indicates your receiver is
tracking the satellite, ephemeris data is available, the satellite is being used
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Differential data is available on WAAS-enabled devices.
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Almanac information is available only for DeLorme receivers.
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