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Questions about SSB + Carrier AM

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February 1st 04, 10:56 PM

Phil Witt

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On 1 Feb 2004 13:29:00 -0800, (geojunkie) wrote:

I have noticed that some SSB tube transmitters only send a single side
band plus the carrier in AM mode. Does this provide a lower quality
signal for reception? What are the advantages and drawbacks versus DSB
plus carrier AM transmitters? It seems like DSB is the preferred mode
for the AM crowd.

Some receivers, such as my SX-101a, will demodulate only one side band
which must be selected. Does this provide lower fidelity than full
wave AM detectors? Does this compromise its performance as an AM
receiver?

Dan

I remember back in the 1950s one of the northern New Jersey stations
was broadcasting for periods of time in what they called "compatible
single sideband." I believe this was full carrier + one sideband. May
have operated under the callsign KE2XCC, Long Branch, during the
experimental periods. Can't remember which station. I do remember it
sounded just as good as their regular signal on my car radio, even if
it did tune a little oddly.

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