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September 13th 06, 04:43 PM
posted to sci.electronics.basics,sci.physics.electromag,rec.radio.shortwave,rec.radio.amateur.equipment,uk.radio.amateur
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Receiving Pulse-Code Modulation on AM radio at 3 Mhz?
"Michael A. Terrell" wrote in message
... dB without a reference is meaningless. How can you have a ratio without a reference? Easy. "dB" in general usually refers to acoustic power, where the reference is some ungodly small power level (10^-12W/m^2 IIRC?). I forget if there's a similar radio context used... Tim -- Deep Fryer: a very philosophical monk. Website: http://webpages.charter.net/dawill/tmoranwms |
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