"Caveat Lector" wrote in message
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5S0f.321$i%.10@fed1read07...
What USA commercial broadcasting mode uses double sideband - suppressed
carrier ?
Easy one.. good old analog FM Stereo. Used on the 38KHz stereo subcarrier to
convey the L-R information, which is then beat against a doubled 19KHz pilot
carrier and summed with the L+R main audio to get L and R channels.