[ICOM] IC-746 Tuner Problem

Larry Young k4lxv at bellsouth.net
Thu Nov 4 13:40:35 EDT 2010


Mac; Most built in tuners can only match an SWR of 3:1 or lower. Try adding a few more feet of feed line if possible to hopefully present a load within the matching range.
Larry K4LXV

--- On Thu, 11/4/10, George J. Nixon Jr. <n9ejs at yahoo.com> wrote:

From: George J. Nixon Jr. <n9ejs at yahoo.com>
Subject: [ICOM]  IC-746 Tuner Problem
To: "ICOM Reflector" <icom at mailman.qth.net>
Date: Thursday, November 4, 2010, 1:01 AM

 Check the SWR!! Perhaps it is so high above 3.900MHz the automatic tuner can't handle it.
= = = = = = = = = = 

--- On Wed, 11/3/10, D C *Mac* Macdonald <k2gkk at hotmail.com> wrote:


From: D C *Mac* Macdonald <k2gkk at hotmail.com>
Subject: [ICOM] IC-746 Tuner Problem
To: "Icom Forum" <icom at mailman.qth.net>
Date: Wednesday, November 3, 2010, 10:35 PM



For some reason, the onboard tuner has decided to
quit tuning on 80 meters above 3.9 MHz.

Any ideas where to look?


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