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11-6
Garmin GTN 625/635/650 Pilot’s Guide
190-01004-03 Rev. B
Foreword
Getting
Started
Xpdr Ctrl
Com/Nav
FPL
Direct-To
Proc
Wpt Info
Map
Traffic
Terrain
Weather
Nearest
Music
Utilities
System
Messages
Symbols
Appendix
Index
11.1.4 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 Expiration
Time
(Minutes)
Refresh Rate
(Minutes)
NEXRAD (NEXRAD and Echo Top are Mutually
Exclusive)
30 5 (U.S.)
10 (Canada)
Echo Top (Cloud Top and Echo Top Mutually
Exclusive) (NEXRAD and Echo Top Mutually
Exclusive)
30 7.5
Cloud Top (Cloud Top and Echo Top Mutually
Exclusive)
60 15
XM Lightning 30 5
Cell Movement 30 1.25
SIGMETs / AIRMETs 60 12
METARs 90 12
City Forecast 90 12
WX Forecast 60 12
Freezing Levels 60 12
Winds Aloft 60 12
County Warnings 60 5
Cyclone Warnings 60 12
Icing Potential (Icing)
(SLD)
90 22
Pilot Weather Report (PIREP)
(Blue - Regular, Yellow - Urgent)
90 12
Air Report (AIREP) 90 12
Turbulence 180 12