[BULK] - Re: [TowerTalk] Vacuum tube 100 years old today

[Jim Miller]

You might be right.  Everything I saw was solid state but there may have
been something in there that was tube.  It was the Minuteman system that we
were installing.

73, de Jim KG0KP

----- Original Message ----- 
From: "Steve Katz" <stevek at jmr.com>
To: "'Jim Miller'" <JimMiller at STL-Online.Net>; <towertalk at contesting.com>
Sent: Tuesday, November 16, 2004 3:30 PM
Subject: RE: [BULK] - Re: [TowerTalk] Vacuum tube 100 years old today


>
> > I was in missile class in the Air Force in 1963 and the lab and course
was
> > entirely in tubes even though the missile was entirely in transistors.
> > The
> > adaptation was very short (minutes, maybe and hour) and said that
> > transistors worked like tubes except at lower voltages and power levels.
> > That was all there was to transistors !!!  Not bad really for a class
that
> > hadn't been rewritten yet (and that may have been all the instructor
knew
> > at
> > that time).
> >
> > 73, de Jim KG0KP
> [Steve Katz]  I'll bet the missle wasn't "all transistors" in 1963.
> The guidance and targeting systems used high voltage microwave tubes
> throughout the 1970s, including SAMs and AAMs.  Of course, a lot of those
> late 1950s designs didn't actually reach production levels until the
> seventies (no kidding).  We were building (Army) Hawks designed in '63 at
> Raytheon/Martin (forebody/aftbody) in 1978; the Patriot didn't go into
full
> production until after that, and its acquisition system still used
> tubes...ditto the Sidewinder, Sparrow, etc.  -WB2WIK/6
>
>
>
>
> _______________________________________________
>
> See: http://www.mscomputer.com  for "Self Supporting Towers", "Wireless
Weather Stations", and lot's more.  Call Toll Free, 1-800-333-9041 with any
questions and ask for Sherman, W2FLA.
>
> _______________________________________________
> TowerTalk mailing list
> TowerTalk at contesting.com
> http://lists.contesting.com/mailman/listinfo/towertalk