1.

In winter months, especially at night, the ionospheric D layer can virtually disappear.(a) False(b) TrueI had been asked this question in exam.The doubt is from Radio Shop topic in chapter Radio Shop of Aircraft Maintenance

Answer» RIGHT CHOICE is (b) True

For explanation: True, in winter months, ESPECIALLY at night, the ionospheric D layer can virtually disappear. This can also occur at times of low SOLAR activity. This phenomenon increases the RANGE of MF radio waves.


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