DeLorme Topo North America 9.0 - Manual (Page 179)

DeLorme Topo North America Help
175
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
• Differential data is available on WAAS-enabled devices.
• Almanac information is available only for DeLorme receivers.
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 for navigation, and the satellite has DGPS and WAAS corrections
available.
Blue–WAAS-enabled receivers only. Indicates a WAAS satellite used for
corrections.
Viewing Sun and Moon Information
You can use the Sun/Moon subtab in the GPS tab to view information about the rising and
setting of the Sun and Moon relative to a specified date, time, and location.
To View Sun and Moon Information
Use the following steps to view Sun and Moon information in the GPS tab.
1. Click the GPS tab.
2. Click the Sun/Moon subtab.
3. Click the down arrow next to the date to change the date.
4. Use the scroll arrows to change the time.
5. After you update the date and time, you can view:
• The Sun and Moon traveling across the compass as time passes with the
Sun/Moon compass. In the center of the compass, a shadow grows and