hello friends
i find something interesting which may helpful for us (for preventing quads and planes from being lost)
http://www.dx.com/p/mini-fail-safe-unit-67382#.VPDC3fmSySo (http://www.dx.com/p/mini-fail-safe-unit-67382#.VPDC3fmSySo)
mini fail safe unit which is suitable for flyers using radios which don't have inbuilt fail safe function...
hope this may helpful for you...
regards
Good find.. i have seen this already using with cars and all.. think this one can also be used with rc as well.. will try for sure next time
i was actually thinking of a pic diy fail-safe and lost model alarm for my plane
check this out... this is also a gud thing...
http://www.rcindia.org/rc-general-topics/gps-tracker/msg216661/#msg216661 (http://www.rcindia.org/rc-general-topics/gps-tracker/msg216661/#msg216661)