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On a day in full summer the __________ tend to be more usable.(a) Ultra low frequencies(b) Medium frequencies(c) Lower frequencies(d) Higher frequenciesI had been asked this question in final exam.Enquiry is from Radio Shop topic in chapter Radio Shop of Aircraft Maintenance

Answer»

Correct option is (d) Higher frequencies

Explanation: On a day in full summer the higher frequencies tend to be more USABLE. This is because of the MUF and LUF phenomenon, which DEPEND on the ANGLE of incidence of the WAVES.



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