[Boatanchors] Orange OA3

[Carl]

Each voltage has a different gas so a different glow. I also have both 
style Signal Drifters and use the early one on 30M.

Carl
KM1H




----- Original Message ----- 
From: "Barrie Smith" <barrie at centric.net>
To: "Boatanchors Mail List" <boatanchors at mailman.qth.net>
Sent: Tuesday, March 17, 2009 8:16 PM
Subject: [Boatanchors] Orange OA3


> I've aquired two Meissner Signal Shifters recently.  One is an older 
> model that uses plug-in coils.  Other than a bad on-off switch, it 
> seems to work FB.
>
> The other is a newer model with the turret for changing bands.  This 
> one makes somewhat less power-out than the earlier model.  It also has 
> a VR tube (an OA3) that glows a bright orange-red.
>
> I've always been under the impression that all VR tubes glowed blue. 
> However, I don't recall ever seeing or using an OA3.  I don't have 
> another OA3 on hand, so I can't subsitute.
>
> Any ideas?
>
> 73, Barrie, W7ALW
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