[Boatanchors] simple transmitter using the 1625 tube

[Carl]

You can see the suppressor lead entering the bulb base on the modifiable 
ones.

Either version met the original Mil-Spec and I see no reason for any 
difference at HF.

Carl
KM1H



----- Original Message ----- 
From: "Michael Tauson" <wh7hg.hi at gmail.com>
To: "boatanchor" <boatanchors at mailman.qth.net>
Sent: Monday, November 17, 2008 7:00 AM
Subject: Re: [Boatanchors] simple transmitter using the 1625 tube


> On Sun, Nov 16, 2008 at 5:40 PM, Carl <km1h at jeremy.mv.com> wrote:> The
> suppressor is tied to the cathode inside the glass on most 1625's and>
> inside the base on a few. Those latter ones were modified for GG
> operation> in the late 50's.What is a more or less straightforward way
> of identifying which is which?  With that, was there any notable
> performance difference between the two?Best regards,Michael, WH7HG
> _______________________________________________
>