Thanks.

So between equations 8.29 and 8.30 the author calculates VSWR without
any source-related terms -- as every other textbook author does.

Roy Lewallen, W7EL

Wes Stewart wrote:
On Mon, 29 Nov 2004 12:57:16 -0800, Roy Lewallen
wrote:

|I offer a third third response.
|
|On p. 175, Chipman states:
|
|"Equation (8.27) demonstrates explicitly that the shape of a standing
|wave pattern representing |V(d)| as a function of d on a transmission
|line is in no way affected by the quantities Vs, Zs and [rho]s at the
|source."
|
|And equation 8.29 on p. 176, the calculation of reflection coefficient,
|contains no source-dependent terms. I'm sure that somewhere in the book,
|the author derives SWR in terms of reflection coefficient.

Indeed he does---on the next page.

http://users.triconet.org/wesandlind...manPage177.pdf

Equation (8.30)

1 + |rho|
VSWR -------------
1 - |rho|