Could well be. I never saw the bird, of course. The portable ground station was roughly the same size as an OD Manpak radio of the period and read out Lat/Long on LED digital readouts. In retrospect, it may have been in the early 1980s.
-John ============== > Hi, > >> Yes, and there was an early military positioning system, roughly 1960s / >> 1970s that worked on Dopplar also. The name escapes me at the moment. > > I think it is Transit. > See http://en.wikipedia.org/wiki/Transit_(satellite) > > Greetings, > Pieter. > >> >> -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"<[email protected]> >>> To:[email protected] >>> Subject: [time-nuts] Airraft Ping Timing >>> Message-ID: >>> <[email protected]> >>> 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 -- [email protected] >>> To unsubscribe, go to >>> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >>> and follow the instructions there. >>> >>> >> >> >> _______________________________________________ >> time-nuts mailing list -- [email protected] >> To unsubscribe, go to >> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts >> and follow the instructions there. >> > > _______________________________________________ > time-nuts mailing list -- [email protected] > To unsubscribe, go to > https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. > > _______________________________________________ time-nuts mailing list -- [email protected] To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
