If you are using XM weather on a 396/496, be sure and update the software with the new software just released.
GPSMAP 396 V5.70
GPSMAP 496 V4.80
The number of METARS had grown past the design limits of the software, this update removes this limitation and provides access to the complete list of METARS.
GPSMAP 396 V5.70
GPSMAP 496 V4.80
The number of METARS had grown past the design limits of the software, this update removes this limitation and provides access to the complete list of METARS.