R: [AMPS] Watt meters and PEP

[Ian White, G3SEK]

measures wrote:
>>>>>> ?  RMS is  equivalent DC heating ability.  For example, with a
>>>>>> sine-wave,
>>>>>> 200w-pk would have the heating ability of 100DC watts.  .
>>>>
>>>>This "200w-pk" is a peak instantaneous power. Peak instantaneous power
>>>>is a notion with very little physical meaning, and no practical use.
>>>>Ignore it - its only power is to confuse.
>>>>
>>>This is essentially how the FCC measures PEP.
>>
>>I cannot believe that.
>>
> I realize this, Ian.  
>
>With a 50-ohm load, 387.3v-peak indicates 1500w PEP on the wattmeters the 
>FCC uses. 

Yes, obviously. There is nothing wrong with that "v-pk" calculation.

What I cannot believe is that the FCC make any use of the quantity that
you call "w-pk".

73 from Ian G3SEK          Editor, 'The VHF/UHF DX Book'
                          'In Practice' columnist for RadCom (RSGB)
                           http://www.ifwtech.demon.co.uk/g3sek

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