We have a number of annotated maps usueful for flying our sites. Our cross country maps are usually marked up with a number of radiating concentric rings from launch. Each ring represents a given distance from launch. A number of straight lines will also radiate from launch. Each line will be marked with the bearing back to launch. Hence on a map which is usually oriented with North up the page, the straight line radiating from launch in a northerly direction will typically be marked with 180.

 

The intent of these maps is that a pilot sets their GPS to GOTO launch. Hence the GPS will typically display the bearing and distance to the point, in this case launch. Thus if you fly north your distance from launch will increase and your bearing back to launch will be in a southerly direction or 180 degrees. Hence if you radio your distance and bearing to a retrieve driver, it is relatively easy for the driver to identify where you are on the map.

 

A four page PDF file with large and small maps and a terrain view - as used in the Vic Serial Series competition.  (Also an older a large and small map.)  Thanks to Colin Page for preparing these maps.

Corryong