Arthur Fuller
fuller.artful at gmail.com
Fri Jan 9 08:20:30 CST 2015
Jon, Given that my understanding is limited, I think that a transponder only acts (responds) in as a consequence of receiving a request; in other words it's not active all the time, whereas a GPS is always active. On Fri, Jan 9, 2015 at 8:30 AM, Tydda Jon - Lonza Slough < jon.tydda at lonza.com> wrote: > Forgive me if this is a silly question, but what is the transponder for, > if not identifying and locating the aircraft? > > > Jon