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*Subject*: Re: Path loss and signal calc...*From*: mmccarty@xxxxxxx (Lisa R. McCarty)*Date*: Mon, 9 Feb 1998 08:56:57 +1000

> > How can one relate this mesurment with signal strengths > > that are expressed in dbm or decibles as they relate to microvolts? > > That is, how does a signal that is said to be -140dbm relate to > > the measument of .2uv at (10db s+n/n) > > The .2 uv is into a 50 ohm load. Solve for power and then 10 times > the log of the power is the dbm. The answer is -151 dbm. (I think). > Remember this is for a certain bandwidth, narrow the bandwidth and > the figure gets better. Oops, more like -120 dbm, -150 would be decibels below one watt or dbw. Mike, KB8YHV/KH2

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