Tony Verhulst wrote:

It does pretty much what "Themi" claims (same algorithm?). It gives
you an audio tone to fly straight for a little and by doing so guides
you to the center of the thermal.


How do I interface this with my auto pilot?

Tony "tongue only slightly in cheek" V.
http://home.comcast.net/~verhulst/SOARING

You buy an ASH 25, talk Karl S., Gary I, or some such to sit in the back
seat and wait untill he says "you auto turn left[right] ..." as needed.

--
Change "netto" to "net" to email me directly

Eric Greenwell
Washington State
USA