Thanks Richard. Thats just the kind of information I need. But, I dont
supose I can get that information off the Internet, ?can I? I'd take a
trip to the library to look at something like that. Maybe you can tell me
more about where I can find the book or article.

Jerry



"Richard Harrison" wrote in message
...
Jerry Martes wrote:
"I`m considering building a slotted line for measuring impedance at 137
MHz."

The 2nd edition of the RSGB "VHF-UHF Manual" has a home-built "trough
line" on page 10.26. Dimensions are given for 50 ohms and the line is
expected to be usable down to 145 MHz at its length of 36 to 40 inches.
It needs to be at least 1/2-wavelength.

Best regards, Richard Harrison, KB5WZI