Xm Weather Symbols And Product Age - Garmin GTN 750 Pilot's Manual

12.1.4

XM Weather Symbols and Product Age

The weather product symbols, the expiration time and the refresh rate are
shown in the following tables. The refresh rate represents the interval at which XM
Satellite Radio broadcasts new signals that may or may not contain new weather
data. It does not represent the rate at which weather data is updated or new content
is received by the Data Link Receiver. Weather data is refreshed at intervals that are
defined and controlled by XM Satellite Radio and its data vendors.
Weather Product
NEXRAD (NEXRAD and Echo Top are Mutually
Exclusive)
Echo Top (Cloud Top and Echo Top Mutually
Exclusive) (NEXRAD and Echo Top Mutually
Exclusive)
Cloud Top (Cloud Top and Echo Top Mutually
Exclusive)
XM Lightning
Cell Movement
SIGMETs / AIRMETs
METARs
City Forecast
WX Forecast
Freezing Levels
Winds Aloft
County Warnings
Cyclone Warnings
Icing Potential (Icing)
(SLD)
Pilot Weather Report (PIREP)
(Blue - Regular, Yellow - Urgent)
Air Report (AIREP)
Turbulence
190-01007-03 Rev. B Garmin GTN 725/750 Pilot's Guide
Expiration Refresh Rate
Time (Minutes)
(Minutes)
30 5 (U.S.)
10 (Canada)
30 7.5
60 15
30
30 1.25
60 12
90 12
90 12
60 12
60 12
60 12
60
60 12
90 22
90 12
90 12
180 12
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Appendix
12-7
Index