On Mar 21, 2005, at 9:08 AM, Gary Schafer wrote:
>
>
> Tony King - W4ZT wrote:
>> Harold B. Mandel wrote:
>>
>>
>>> <snip> PEP is different
>>> than RMS, and RMS is different than Average. <snip>
>>>
>>>
>>
>> It may be worth mentioning that RMS is the usual method of defining a
>> DC
>> equivalent which, given a pure waveform, will be about the same as the
>> average. With distorted waveforms RMS will not define the average
>> properly.
>
> It may also be worth mentioning that there really is no such thing as
> "RMS power". The proper term is average power. RMS is only valid in
> terms of voltage or current.
>
> You can find an RMS value of power but it is not useful for anything.
It's fairly useful for heating water.
>
> 73
> Gary K4FMX
>
>
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>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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