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Home > Exam Questions > ATPL - Airline Transport Pilot Licence > Radio Navigation > 'Night Effect' which causes loss of signal and fading, resulting in bearing errors from NDB transmissions, is due to:

150 - ATPL Question Bank in English - 'Night Effect' which causes loss of signal and fading, resulting in bearing errors from NDB transmissions, is due to:

Question 150 - Radio Navigation - ATPL - Airline Transport Pilot Licence

Static activity increasing at night particularly in the lower frequency band

Interference from other transmissions and is maximum at dusk when east of the NDB

The effect of the Aurora Borealis

Sky-wave and ground-wave signals arriving with different phases and polarisations, distorting the ADF null and causing bearing errors, especially at night and twilight.

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