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Forum: Military Aviation

7th Nov 2022, 12:45

Replies: 52

Mag, Grid & True North Align

Views: 9,503

Posted By ORAC

To just elucidate a bit further, WGS-84 is a...

To just elucidate a bit further, WGS-84 is a gravity model, so the density of the different components (mantle, core etc)
is modelled rather than just the shape.

Then, of course, the Barycentre...

Forum: Military Aviation

4th Nov 2022, 19:31

Replies: 52

Mag, Grid & True North Align

Views: 9,503

Posted By ORAC

With the proliferation of GPS/PNR equipment, and...

With the proliferation of GPS/PNR equipment, and the weakening and variability of Mag, at what stage will everything switch to True at all levels rather than just the upper air?

Its been a joke...

Forum: Military Aviation

3rd Nov 2022, 21:30

Replies: 52

Mag, Grid & True North Align

Views: 9,503

Posted By ORAC

Mag, Grid & True North Align

Magnetic north, true north and grid north align over Great Britain for the first time in history.

Our calculations have discovered the three 'norths' will combine for the first time in history...

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