NEC-LIST: Induced voltages/CORRECTION

CORRECTION: Below, I inadvertently inverted the definition for
"antenna factor". The correct form is: field strength ("in") /
voltage ("out") which has the units of meters^-1.

Apologies to all.

>>Gentlemen
>>
>>I am a communicator, not a field strength worker. In comm we are
>>interested in maximum power transfer, hence our practice of matching
>>Zg and Zl (generator and load impedances). These are made equal (case
>>of all resistance) or the complex conjugates (case of real and
>>imaginary parts).
>>
>>I am concerned (but not certain) that with field strength measurements
>>maximum power transfer may not be the criterion being satisfied.
>>
>>I will dig a little deeper and report back.
>>.
>>.
>>Later....
>>.
>>.
>>Called M. Kanda at NIST/Boulder Colorado. He kindly pointed out
>>"antenna factor" when dealing with field strengths and/or EMC-type
>>measurements is the ratio of:
>>
>> voltage "out" / field strength "in"
>>
>>and therefore includes all losses including mismatches, and is not to
>>be confused with power quantities as "area" efficiency or gain as used
>>with communications and some other antennas.
>>
>>It follows the units for antenna factor" is meter^+1.
>>
>>Dan Bathker

Dan Bathker
Received on Thu Jul 09 1998 - 09:48:42 EDT