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Which is the only channel that retains 100 kHz channel spacing in the US?(a) 121.5 MHz(b) 131.5 MHz(c) 141.5 MHz(d) 171.5 MHzI had been asked this question during an online exam.My question is taken from Radio Shop in portion Radio Shop of Aircraft Maintenance

Answer»

Right answer is (a) 121.5 MHZ

The best explanation: 121.5 MHz is the only CHANNEL that retains 100 kHz channel spacing in the US. It is an emergency COMMUNICATION channel. No channel allocations are PRESENT between 121.4 and 121.5 or between 121.5 and 121.6.



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