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Forum: Tech Log

14th Sep 2011, 02:18

Replies: 95

altimeter calibration

Views: 19,016

Posted By Mad (Flt) Scientist

@gravity32 Trying to convince a 9/11truther...

@gravity32

Trying to convince a 9/11truther (or whatever they are0 is like trying to convince any other believer. The best you can hope for is to remove a piece of evidence, but you'll almost...

Forum: Tech Log

13th Sep 2011, 18:46

Replies: 95

altimeter calibration

Views: 19,016

Posted By Mad (Flt) Scientist

Its a meaningless statement so other than by...

Its a meaningless statement so other than by logic its not refutable.

Radalt measures distance to an object giving a radar return.

Altimeter uses pressure data to infer height above a reference...

Forum: Tech Log

13th Sep 2011, 17:57

Replies: 95

altimeter calibration

Views: 19,016

Posted By Mad (Flt) Scientist

Sorry, but when calibrated as an ALTImeter, it is...

Sorry, but when calibrated as an ALTImeter, it is using pressure to sense altitude i.e. height. The reference pressure does indeed correspond to a notional ground level, in the case where you set to...

Forum: Tech Log

13th Sep 2011, 17:34

Replies: 95

altimeter calibration

Views: 19,016

Posted By Mad (Flt) Scientist

Additionally, radalt measure the height above the...

Additionally, radalt measure the height above the actual ground. Barometric altitude is relative to a notional ground level or sea level and not necessarily relative to the local terrain.

There's...

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