"Richard Clark" wrote in message
...
On Wed, 18 Jun 2008 16:53:43 -0500, (Richard
Harrison) wrote:

RS = 50 [1/0.7 - 1] = 50(1/0,7 - 1) = 50(0.43) = 21.4 ohms

You have an example in numbers. Hope you are happy.

Hi Richard,

As I mentioned to Walt in similar response to my oft-asked question:
direct and to the point. I see no others yet.

I know this wasn't arrived at by direct measurement and only by
inference. As I remarked to Walt (but in the inverse), I presume
this value is that transformed through the plate tuning from the
plate's Rp? Can you provide some work-up (presumably several KOhms)
from your citation for that?

73's
Richard Clark, KB7QHC

Richard, am I now to understand that you haven't reviewed my Chapter 19A, which
details the entire procedure I used for the measurements that include the
resistance RL = 1400 ohms at the input of the pi-network? If you haven't I can
understand the reasons for your questions. I urge you to read 'Section 19.14
Additional Experimental Data', the last portion of the Chapter which describes
in detail the procedure is used in the measurements made on a Kenwood TS-830S.
I'm sure you'll find the answers you're looking for there.

You can find 19A by using this url from Cecil,
http://www.w5dxp.com/Chapt19a.doc. It derives from the thread directly above
'Unwin Antennas'.

Walt, W2DU