Yes, and there was an early military positioning system, roughly 1960s / 1970s that worked on Dopplar also. The name escapes me at the moment.
-John ============= > This is how ELT locating satellites work (when not relaying the newer GPS > data bursts). Several on another list I watch suggested this pretty early > on and I guess INMARSAT got the message. I'd be curious to know if AFRCC > pointed INMARSAT in that direction. > > Really shows the value of precise and stable time references! > > > > > Date: Mon, 24 Mar 2014 16:06:14 -0700 (PDT) > From: "J. Forster"<j...@quikus.com> > To:time-nuts@febo.com > Subject: [time-nuts] Airraft Ping Timing > Message-ID: > <13855.12.226.214.5.1395702374.squir...@popaccts.quikus.com> > Content-Type: text/plain;charset=iso-8859-1 > > According to a report on FOX, INMARSAT was able to determine the Malasia > Air followed the southern traectory from the Dopplar of the pings. They > verified their model by tracking other planes. > > -John > > ============= > > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.