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-   -   Nav Calculation problems... (https://www.pprune.org/tech-log/255872-nav-calculation-problems.html)

Founder 11th Dec 2006 22:04
Nav Calculation problems...
 
5 hrs, 20 min, 20 sec corresponds to a longitude difference of what in degrees?

Anyone?

Lemper 11th Dec 2006 22:17
5 hrs is 75°; 20minutes of time is 5°, total 80°; 20secondes of time is 15°/60/3 = 5' of longitude: 80° 5'

Founder 11th Dec 2006 22:36
Originally Posted by Lemper (Post 3014739)
5 hrs is 75°; 20minutes of time is 5°, total 80°; 20secondes of time is 15°/60/3 = 5' of longitude: 80° 5'
Could you remind me how you convert hours to degrees...?? :ugh:

1 hr = 15 degrees ?

Coldbear 11th Dec 2006 23:42
you have 360degrees in a circle and 24hours a day. this gives 360degree/24hours=15. Simple math

Martin


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