I am surprised it took them this long. A number of satellite telemetry
systems can use doppler as a matter of course for locating transmitters,
such as Iridium and Argos.
David
On 3/25/14 12:58 AM, Peter Gottlieb wrote:
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
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