The program is SimSmith (simple typo) and I agree with John that it is a very useful one. I have used several other implementations of Smith Charts and this one is by far my favorite. Fairly frequent updates, and a yahoo group for support.

Eric
KE6US


On 7/31/2014 1:05 PM, John Oppenheimer wrote:
There is a program, SmithSmith http://www.ae6ty.com/Smith_Charts.html
which can also solve the impedance at the antenna. Set the ATU L and C
and the coax feed-line as constants then adjust the antenna parameters
for 1:1 SWR at the input.

John KN5L

On 07/31/2014 10:02 AM, TF3KX wrote:
I can determine the tuner settings (L/C-values, etc.) and from
the network equations derive the impedance these settings match into.
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