Well, there wouldn't be flights along the Southern route, exactly, since it led ... | Hacker News

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waterlesscloud on March 25, 2014 | parent | context | favorite | on: How British satellite company Inmarsat tracked dow...

Well, there wouldn't be flights along the Southern route, exactly, since it led nowhere.

So I'm guessing they extrapolated from routes that were in that general direction, like Sri Lanka - Perth.

It's likely there's a lot of assumptions at work in their calculations, but it might be good enough.

nroets on March 25, 2014 | [–]

Some possibilities http://www.gcmap.com/mapui?P=jnb-per http://www.gcmap.com/mapui?P=per-rio

lutusp on March 25, 2014 | [–]

I should have been more clear -- they compared routes and aircraft velocities that could be expected to produce the same radial velocity and Doppler effects, given the satellite's geostationary position.

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