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4-51190-00601-02 Rev. E
Garmin G600 Pilot’s Guide
Foreword
Sec 1
System
Sec 2
PFD
Sec 3
MFD
Sec 4
Hazard
Avoidance
Sec 5
Additional
Features
Sec 6
Annun.
& Alerts
Sec 7
Symbols
Sec 8
Glossary Appendix A
Appendix B
Index
4.9.3 XM Weather Symbols and Product Age
The weather product symbols, the expiration time and the refresh rate are
shown in the following table. 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.
Symbol Weather Product Expiration
Time
(Minutes)
Refresh Rate
(Minutes)
NEXRAD (NEXRAD and Echo Top
are Mutually Exclusive)
30 5
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
Surface Analysis 60 12
Freezing Levels 120 12
Winds Aloft 90 12
County Warnings 60 5
Cyclone Warnings 60 12
Table 4-20 Weather Product Symbols and Aging Times