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#1
November 4th 07, 01:37 AM
posted to rec.radio.amateur.antenna
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WLW - 700 kHz, 500 kW, 100% modulation, no limiter
"yea right" wrote in message news  On Thu, 01 Nov 2007 21:29:38 +0000, Dave wrote: only 100%??? Actually... Most AM broadcasters utilize asymmetrical modulation where they often allow %115 positive peaks In case you missed it, the 500 KW was in the 1930s. 250 KW of audio was not easy to come by. Last I heard WLW was using a Harris 50 KW digital AM transmitter. See http://download.harris.com/app/publi...d.asp?fid=1489 .. Digital here means that the AM signal is digitally synthesized at high level. There is no modulator. Tam/WB2TT |
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#2
November 4th 07, 06:43 PM
posted to rec.radio.amateur.antenna
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WLW - 700 kHz, 500 kW, 100% modulation, no limiter
In case you missed it, the 500 KW was in the 1930s. 250 KW of audio was
not easy to come by. Last I heard WLW was using a Harris 50 KW digital AM transmitter. See http://download.harris.com/app/publi...d.asp?fid=1489 . Digital here means that the AM signal is digitally synthesized at high level. There is no modulator. ___________ Harris has supplied MW AM transmitters of this design at carrier powers up to 2 megawatts. |
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