[time-nuts] Airraft Ping Timing

[Pieter ten Pierick]

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"<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
>>
>> =============
>>
>> _______________________________________________
>> time-nuts mailing list -- time-nuts at 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 at febo.com
> To unsubscribe, go to
> https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts
> and follow the instructions there.
>