John R Bartow
jbartow at winhaven.net
Fri Jan 9 12:20:04 CST 2015
I was under the impression that the transponder (a beacon of position for traffic control purposes, was on unless turned off. I'm going to check this with a pilot friend. -----Original Message----- From: dba-tech-bounces at databaseadvisors.com [mailto:dba-tech-bounces at databaseadvisors.com] On Behalf Of Arthur Fuller Sent: Friday, January 09, 2015 8:21 AM To: Discussion of Hardware and Software issues Subject: Re: [dba-Tech] Downed planes and Black-box technology 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 _______________________________________________ dba-Tech mailing list dba-Tech at databaseadvisors.com http://databaseadvisors.com/mailman/listinfo/dba-tech Website: http://www.databaseadvisors.com