XM WEATHER FEATURES > SURFACE WINDS
Surface Winds
Marine and Automotive units shows Surface Winds with a wind barb. The wind barb is a circle with a tail. The circle points into the wind. Wind speed is indicated by the different combination of flags that are attached to the tail.
Wind Direction | Surface Winds |
| |
Calm |
|
5 knots |
|
10 knots |
|
15 knots |
|
20 knots |
|
50 knots |
|
11 | GXM 30 XM Radio Smart Antenna Owner’s Manual |