Radio Navigation — Sample Paper 3

Orbital height and inclination of GPS constellation:

GPS orbital height:

VOR frequency band:

In order to Tune, Identify and Monitor N0NA1A NDB emissions the BFO should be used as follows:

AWR colour — weakest precipitation:

UK VFR conspicuity squawk:

Primary radar PRF = 450 pps. Maximum range (ignoring PW and flyback):

Selectable overlays available in MAP mode include:

Navigation and system data message transmitted through:

The maximum range an aircraft at 2500 ft can communicate with a VHF station at 196 ft is:

Maximum range determined by:

DME ident interval:

SBAS geostationary orbit altitude:

Mode S data link direction:

ILS LOC beam width adjusted to give:

VOR variation should be applied at:

NAVSTAR/GPS operates in the ___ band; receiver determines position by ___:

GPS constellation: total operational SVs:

A ground DME transponder becomes saturated at approximately:

Primary radar cannot determine:

GPS horizontal accuracy (SPS, 95%):

MLS channels:

VORTAC: civil aircraft uses:

The minimum angle at which a false glide path is likely to be encountered on a 3° glide path is:

Due to 'Doppler' effect an apparent decrease in the transmitted frequency, which is proportional to the transmitter's velocity, will occur when:

Earth model used for NAVSTAR/GPS:

GPS RAIM — SVs for fault detection only:

GPS ephemeris — sub-frames:

The coverage of the Microwave Landing System in the UK extends to ___ up to a height of ___ and ___ either side of the on-course line.

Mode S ICAO address size:

The magnitude of the error in position lines derived from ADF bearings that are affected by coastal refraction may be reduced by:

GNSS availability — definition:

The DME frequency band is:

Wavelength of 375 kHz NDB signal:

Which of the following is NOT a waypoint definition format for the CDU:

Aircraft on 152° radial. OBS set to 329° (TO). CDI indication:

Pulse width 2 µs. Minimum range:

PRN codes are used to determine range by:

Correct format to input position 50°N 005°27'E to the CDU:

AWR antenna is stabilised:

TAR maximum range:

The DME interrogator pulse rate in the SEARCH phase is approximately:

Mode C P1–P3 spacing:

VOR variation applied at:

VOR ident transmission interval:

Mode C altitude referenced to:

Echo time is 1720 µs. Range of target:

To double the range of a primary radar requires power to be increased by a factor of:

DME number of channels:

AWR HOLD function: