The speaker causes that. I scrapped the speaker and mounted a little
keyer board in it's place. The speaker magnet has a profound effect on
that vfo torroid! You can change the range of the vfo by squeezing or
spreading the turns on your vfo torroid.
-----Original Message-----
From: <duffyb01@fuse.net>
To: TenTec@contesting.com
To: <tentec@contesting.com>
Date: Thu, 31 Jan 2002 10:40:01 -0500
Subject: [TenTec] 40 Meter QRP T-Kit Transceiver
> Looking for information from folks who have built the 40 meter (or
> other T-Kit) transceiver. I just picked one up used and it seems to
> work just fine, but I need to change the frequency coverage.
>
> The coverage seems to start around 6.980 and goes to about 7.060. I
> would like to change the range to something that starts around 7.025
> and goes up from there. I find the alignment details to only reference
> procedures to be done while the kit is being built. Anyone have
> alignment procedures to an already built kit?
>
> The other thing I noticed when I ventured inside the unit, is that
> removing the cover changes the received frequency range (did not check
> to see if it also varied the transmit frequency range, but I suspect it
> does). I could change the range by raising and lowering the units
> cover almost like I was tuning the rig. Is that normal? If it is, how
> do you align it when the cover is off? Very puzzling. Thanks for the
> help that anyone can provide.
>
> Regards,
>
> Duffy - WB8NUT
>
>
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