[Antennas] RF Ammeters

Tom Bates [email protected]
2003年8月23日 14:22:45 -0400


Greetings list...
I have 2 questions regarding using RF Ammeters in measuring antenna current.
1. Why is the thermocouple type meter preferred for RF curent measurement ? (I
am suspecting to measure true power and not apparent { reactive} amperes).
2. If I'm at resonance, ( x=r , j=0 ), will true amperes and apparent amperes
be the same even if I have a mismatch ( SWR > 1 ) ?
Thanks for your consideration.
73, Tom AA1NZ

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