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Results tagged with radio-navigation
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user 15954
Questions about aircraft navigation systems using radio signals, such as VOR and NDB.
6
votes
Why should the optimum position of GPS Antenna be close to aircraft's CG?
All GPS signals are line of sight and most receivers use all
satellites that are visible and a minimum of 9 - 12 degrees above
the horizon. So being on the top of the aircraft near the centerline
is …
- 20.2k
4
votes
Why do localizer/glideslopes use 90/150Hz specifically?
The frequencies are chosen to allow the system to produce a localizer and glideslope 'beam' that provides proportional guidance that can adequately guide an aircraft on the approach.
Read through t …
- 20.2k
5
votes
What is the difference between a conventional and an RNAV holding?
A conventional hold based on legacy radio-navigation required overflying the hold fix on entry as guidance is only available inbound to the fix and your exact position is known at the fix (with some a …
- 20.2k
1
vote
An Aircraft is a flight level 150 the DME is at sea level find maximum and minimum range?
Aside from the issues others have pointed out in the comments, the method of determining the minimum DME range display is straightforward.
Since DME measures slant range, the minimum will be observed …
- 20.2k