TenTec
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[TenTec] Century 21

To: <tentec@contesting.com>
Subject: [TenTec] Century 21
From: jpeitsch@voyager.net (JEP)
Date: Tue, 10 Jul 2001 07:56:24 -0700
Takes a little getting used to, doesn't it? Also check the screws on the
filter cap, make sure they are good and tight. Mine loosened up a bit and
under load would kick the PS out. I also am looking for a 276 calibrator, if
anyone has one laying around.
73
Butch WA8X

----- Original Message -----
From: "dslosty" <dslosty@pipeline.com>
To: <tentec@contesting.com>
Sent: Monday, July 09, 2001 10:43 PM
Subject: [TenTec] Century 21


>
>
>
> I finally got my basket case Century 21 back together.
> This is the one that had the dial gear drive troubles.
> A new main shaft gear plus a complete PTO rebuilding solved
> the problem. I also had to replace the main tuning shaft in the
> PTO. The worm gear for the piston had burrs on it - probably
> from the pervious owner's attempt at a PTO rebuild. He may well
> have gripped and scored the shaft with his needle nose pliers
> while removing the end retainer pin.
>
> In any event, the Century 21 now works well.
> I've made about a half dozen DX QSO's with it with a dipole up 35 ft.
> It took me some time to get used to zero beating with a direct
> conversion receiver that hears the signal on each side of zero beat.
> I found that to zero beat another station required tuning down
> from the high side on the lower bands and up from the low side
> on the upper bands, while using the pushbutton front panel zero beat
> control.
>
> I must admit that having no AGC or S-meter does bug me.
> I've got a 73 mag reprint of an op-amp AGC mod.
> Has anyone tried adding AGC to their Century 21?
>
> I'd think that by using diode switching, the original current
> meter could also do double duty as an S-meter once AGC was installed.
>
> Also does anyone have a spare crystal calibrator, originally
> offered as an option for the C/21?
>
> tnx es 73,
>
> Doug/WA1TUT
>
>
> --
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>
>


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