[TenTec] Tuning Amp on 17 meters (Antenna impedance)

[Clayton Brantley]

All this talk about the theory is well and good, but in actual practice, what ever works does!
Had an engineer at Collins Radio tell us (in the 60's) that "... the SWR will circulate until
it is dissipated."  He just didn't say where.  Could be in the tank circuit or the antenna.

Had another engineer that had a favorite saying "If the facts do not conform to theory, they
must be changed."


Hope to interject a little levity into the hard core discussion of the theory.

73 Clayton N4EV



________________________________
 From: Stuart Rohre <rohre at arlut.utexas.edu>
To: tentec at contesting.com 
Sent: Friday, April 19, 2013 3:47 PM
Subject: Re: [TenTec] Tuning Amp on 17 meters  (Antenna impedance)
 

The "antenna analyzer" of the MFJ 2xx series, tells you a total impedance, ie it does not break it down into capacitive reactance or inductive reactance impedance terms, unless you use the advanced operating tips.
Changing the frequency of measurement shows if the impedance is mostly inductive as it will increase at a slightly higher frequency away from resonance.  EG Xl equals 2 PifL, higher frequency, higher reactance.

Stuart
K5KVH
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