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Search: Posts Made By: Keefie
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Forum: Tech Log
7th Aug 2008, 14:31
Replies: 64
Views: 8,713
Posted By Keefie

twistedengineer

You need WAAS for integrity if you are going to do low minma
Forum: Tech Log
5th Aug 2008, 20:49
Replies: 64
Views: 8,713
Posted By Keefie

Badmachine

Yes, FAA made measurements on their 737.Roughly the azimuth error is directly proportional to distance from localiser. I am presently in UK and return to US next week, where the data is , .if you...
Forum: Tech Log
1st Aug 2008, 14:20
Replies: 36
Views: 12,419
Posted By Keefie

CJ Driver is quite right--the less the tai...

CJ Driver is quite right--the less the tai downlift the less the required wing uplift. It is not possible to generalise , you need to know relative arm lenghts and sizes of wing and tailplane
Forum: Tech Log
31st Jul 2008, 10:24
Replies: 64
Views: 8,713
Posted By Keefie

Ladies and gentlemen, we must not forget the...

Ladies and gentlemen, we must not forget the effects of jamming on GPS. Because of the very low signal strength(transmitter is 10k miles away) GPS is dead easy to jam with amateur -made ...
Forum: Tech Log
30th Jul 2008, 16:01
Replies: 64
Views: 8,713
Posted By Keefie

Iforgot to say that vertical error is not much...

Iforgot to say that vertical error is not much greater than horizontal, usually a factor around 1.5. It is simply geometry. In vertical , satellites are spread over 90 degrees, horizontal is...
Forum: Tech Log
30th Jul 2008, 15:50
Replies: 64
Views: 8,713
Posted By Keefie

No,the shape of the earth is known from WGS84,...

No,the shape of the earth is known from WGS84, and the height of runway is known relaitive to this datum. Even without augmentation9e.g WAAS) GPS altitude is better than baro
Forum: Rumours & News
27th Jul 2008, 07:25
Replies: 1,109
Views: 379,745
Posted By Keefie

Illegal camera use

Interesting though the camera shots by a pax were, they were taken illegally. It may sound niggardly to protest in such circumstances, but even a minor avionics blip in such circumstances could prove...
Forum: Rumours & News
25th Jul 2008, 18:14
Replies: 1,109
Views: 379,745
Posted By Keefie

Incidental damage to cabin floor

I recall that many years ago a DC10(or Tristar) outbound from CDG, suffered decommpression while climbing. It transpired to be caused by incomplete closure of a baggage door.The result was loss of...
Showing results 1 to 8 of 8


 
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