[time-nuts] Airraft Ping Timing
n1hac at dartmouth.edu
Tue Mar 25 01:18:44 EDT 2014
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.
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"<jfor at quikus.com>
> To:time-nuts at febo.com
> Subject: [time-nuts] Airraft Ping Timing
> <13818.104.22.168.5.1395702374.squirrel at 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.
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