SB-220 question

Alan KB7MBI ARDUJENSKI at AOL.COM
Sat Jan 11 14:11:59 EST 2003


I am in the process of purchasing a nice clean SB-220. The problem that
surfaced is that it appears to  present a high SWR to the transmitter and
with modern rigs may be a problem.

I visited Rick Measure's website and reviewed the following article:
http://www.vcnet.com/measures/sb220ci.html
It notes that this HIGH SWR is a class problem but is easily correctible by
changing the Q of of the stock SB-220 from 1 up to 2.

I am curious if those who use the SB-220 with newer rigs have made this mod
successfully??? What has been your experience with the SB-220?

By the way I am planning on using this with both tube final rigs (SB-301,
DX-60B, and Ten Tec Corsair)

Alan KB7MBI

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