FM
From HFUnderground
Revision as of 01:09, 29 October 2007 by Cosmikdebris (Talk | contribs)
Frequency Modulation
With FM, the carrier frequency is modulated by the audio signal, with the transmitter power remaining constant. FM typically produces better quality signals than AM when the received signal is strong, but worse quality under poor reception conditions. It is rarely used on HF frequencies.
