[TenTec] Optimizing 238 settings?

Joel R. Hallas jrhallas at optonline.net
Sat Dec 26 07:39:12 PST 2009


Rule 1 is use the minimum inductance. With an L-network there really should
only be one match, or all apparent matches should be very close to the same
settings. 

I suppose if there needs to be a rule 2, it would be use more air capacitor
and less fixed capacitor (lower number on the switch), should only be a
choice at the edges of each range.

Regards, Joel
Joel R. Hallas, W1ZR
-----Original Message-----
From: tentec-bounces at contesting.com [mailto:tentec-bounces at contesting.com]
On Behalf Of Barry N1EU
Sent: Saturday, December 26, 2009 9:20 AM
To: Discussion of Ten-Tec Equipment
Subject: [TenTec] Optimizing 238 settings?

Can anyone provide some expert tips on optimizing 238 settings for
maximum efficiency?  I can dial in several combinations of Capacitor/Z
Switch/Inductor settings to provide 1:! SWR to my transmitter from my
160M antenna, but I'd appreciate general rules that might lead to the
most efficient settings.

Tnx/73/HNY,
Barry N1EU
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