Although FM has a higher bandwidth, from a listeners perspective its more likely that you were experiencing a narrowband monaural AM - hence the massive differe

Although FM has a higher bandwidth, from a listeners perspective its more likely that you were experiencing a narrowband monaural AM - hence the massive difference to your ear. Stereo or wideband AM is much clearer: http://www.amstereo.org/sound.htm http://www.amstereo.org/sound.htm