R: [AMPS] Watt meters and PEP

[Ian White, G3SEK]

measures wrote:
>> By measuring the voltage
>>across a line connected to a calibrated power meter! 
>
>  .  hardly a good guess.   
>
>> In other words, you
>>improve the error budget by calibrating one power meter directly from
>>another.
>
>I worked in calibration laboratories for a total of roughly 10 years.  I 
>repaired and calibrated oscilloscopes.  I do not need to guess how 
>oscilloscopes are calibrated.    

Go on then, *tell* us how the Y sensitivity of an oscilloscope is
calibrated at an arbitrary RF frequency, in a way that is traceable to
NIST standards.

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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