Garmin G900X Pilot's Manual - page 330
Garmin G900X Pilot’s Guide
190-00726-00 Rev. A
6-4
HAZARD AVOIDANCE
Table 6-1 shows the weather product symbols, the expiration time and the refresh rate. 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 updated at intervals that are defined and controlled by XM Satellite
Radio and its data vendors.
Weather Product
Symbol
Expiration Time
(Minutes)
Refresh Rate
(Minutes)
Next-generation Radar
(NEXRAD)
30
5
Cloud Top
(CLD TOP)
60
15
Echo Top
(ECHO TOP)
30
7.5
XM Lightning
(LTNG)
30
5
Cell Movement
(CELL MOV)
30
12
SIGMETs/AIRMETs
(SIG/AIR)
60
12
Meteorological Aerodrome Report
(METARs)
90
12
City Forecast
(CITY)
60
12
Surface Analysis
(SFC)
60
12
Freezing Levels
(FRZ LVL)
60
12
Winds Aloft
(WIND)
60
12
County Warnings
(COUNTY)
60
5
Cyclone Warnings
(CYCLONE)
60
12
Radar Coverage
(RADAR CVRG)
no product image
30
5
Temporary Flight Restrictions
(TFRs)
no product image
60
12
Terminal Aerodrome Reports
(TAFs)
no product image
60
12
Table 6-1 Weather Product Symbols and Data Timing