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21 GXM 30 XM Radio Smart Antenna Owner’s Manual
METAR
Meteorological Aeronautical Reports (METARs) are an international code used for reporting weather observations. If METAR data
is available for an airport, a color coded flag is shown next to the airport. To view the METAR data, select the flag with the map
pointer. To view more detailed information, press
ENTER.
VFR (ceiling greater than 3000 feet AGL and visibility
greater than 5 miles)
Marginal VFR (ceiling 1000-3000 feet AGL and/or
visibility 3-5 miles)
IFR (ceiling 500 to below 1000 feet AGL and/or
visibility 1 mile to less than 3 miles)
Low IFR (ceiling below 500 feet AGL or visibility less
than 1 mile)
XM WEATHER FEATURES > METAR