[time-nuts] Airraft Ping Timing

Jim Lux jimlux at earthlink.net
Tue Mar 25 18:38:30 EDT 2014

On 3/24/14 10:18 PM, David McGaw wrote:
> 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.
Those are actually designed for measuring Doppler..
That's really the difference..
This was probably figured out after the fact in an ad hoc way.

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