[ARC5] BC-221-J vs BC-221-T or what?

[Richard Knoppow]

    Somewhere I found a military TM that covers all of the BC-221 
meters. Noton BAMA and I can't find it. It may help because at least it 
would tell you what differences are between them.  I have a BC-221, a 
late one with factory power supply. I have to look to see which version 
it is.  Its in a wooden case which makes setting the crystal calibrator 
difficult since it drifts a little with temperature and I don't want to 
drill a hole in the case. It is quite accurate once warmed up.

On 2/12/2016 4:38 PM, Don Merz via ARC5 wrote:
> I guess the time has come for me to keep one of these in the shack. I 
> have had literally dozens of them go through my hands over the years. 
> Now I have two here and one of them is going to stay. But which one? 
> The J model is in lesser condition. The T model is almost like new. 
> Both have AC supplies in them--the one in the T model might be a 
> factory supply. The one in the J model is almost certainly homebrew. 
> Both have the spare tubes and hex wrench where they ought to be. Both 
> have the correct calibration books. Both were made by Zenith.
>
> Is there any reason to prefer one over the other except overall 
> condition? I have not tested them yet. But it does not seem like they 
> would be hard to get running. Is there an achilles heel in them that I 
> should check?
>
> Any suggestions welcome.
> 73 de N3RHT
>
>
>
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-- 
Richard Knoppow
1oldlens1 at ix.netcom.com
WB6KBL

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