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Search: Posts Made By: phiggsbroadband
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Forum: Tech Log
5th Mar 2014, 09:15
Replies: 47
Views: 17,150
Posted By phiggsbroadband

Thanks for the correction re. Tan vs Sin. Tan...

Thanks for the correction re. Tan vs Sin. Tan is obviously slant range and Sin is actual surface distance... For small angles these work out to be practically equal... 317.99 and 318.42.


As...
Forum: Tech Log
4th Mar 2014, 11:28
Replies: 47
Views: 17,150
Posted By phiggsbroadband

Should imagine the maths is as follows.... ...

Should imagine the maths is as follows....
Distance x Sin(glideslope angle)


eg... For 1 nm... 6076.12 x sin 3deg = 317.999


Then maybe rounded up to 318 ft.
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