[time-nuts] Airraft Ping Timing

[J. Forster]

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"<jfor at quikus.com>
> To:time-nuts at febo.com
> Subject: [time-nuts] Airraft Ping Timing
> Message-ID:
> 	<13855.12.226.214.5.1395702374.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.
>
> -John
>
> =============
>
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