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EN ATPL Radio Navigation Questions in English
Practise Radio Navigation
Which of the following coordinate systems is used by the NAVSTAR/GPS receiver to calculate position (latitude, longitude and altitude)?
Almanac data stored in the receiver of the satellite navigation system NAVSTAR/GPS is used for the:
After signal acquisition, with uninterrupted valid reception, how long is one complete 25-frame cycle of the legacy GPS L1 C/A LNAV navigation message carrying almanac data?
How does a receiver of the NAVSTAR/GPS satellite navigation system determine the elevation and azimuth data of a satellite relative to the location of the antenna?
How many satellites were included in the original GPS design baseline of six orbital planes with four satellite slots per plane, before later constellation expansions?
What is the inclination to the equatorial plane of the satellite's orbit in the NAVSTAR GPS constellation?
An aircraft carrying out an ILS approach is receiving more 90 Hz than 150 Hz modulation notes from both the localiser and glidepath transmitters. The ILS indication will show:
A conventional monostatic pulsed primary radar with a shared transmit/receive antenna uses:
Under ICAO Annex 10, which global-average positioning error limit for 95% of the time applies to healthy GPS SPS L1 C/A signal-in-space under normal operations, excluding atmospheric and receiver errors?
Under the RNAV 1 navigation specification, the required lateral total system error must remain within:
