GXM 30 XM Radio Smart Antenna Owner’s Manual 12
Winds Aloft
Aviation units display winds aloft using wind barbs or a wind streamline depending on the zoom range of the map. Similar to
Marine and Automotive units, the wind barbs indicate wind speed and direction. The wind streamline indicates wind direction with
arrows.
XM WEATHER FEATURES > WINDS ALOFT
Wind Barbs Wind Streamline