[time-nuts] Aircraft ping timing

[Stanley]

Would think they have many other aircraft with known position stationary or 
moving with location known to help improve the estimate.
Stanley
----- Original Message ----- 
From: "Jim Lux" <jimlux at earthlink.net>
To: <time-nuts at febo.com>
Sent: Thursday, March 20, 2014 8:05 AM
Subject: Re: [time-nuts] Aircraft ping timing


> On 3/20/14 12:07 AM, Poul-Henning Kamp wrote:
>> In message <279331507.5734621395275538874.JavaMail.actor at webmail5>, 
>> "iovane at inw
>> ind.it" writes:
>>
>>> My question was on what would be the expected accuracy of the circle's 
>>> radius.
>>
>> Projected onto the surface of the earth, the uncertainty leaves a band
>> approx 740km wide.
>>
>
> Is there a document that describes the system somewhere?  I've seen 
> various descriptions of what's going on. Do they use timing or amplitude 
> measurements?
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