Fw: [Boatanchors] Tube info

[k5vkl at juno.com]

Larry, W0OGH,

Re the 450TH and/or 450TL tube usage,  Seems as I
recall that one or the other of these tubes (Maybe both?),
were used in some Collins large communications transmitters
down in Corpus Christi, Tx., back in the late 1940's, at the
Naval Air Station communications facility.    Also, in the 
same Collins equipment in Atsugi, Japan, NAS, in '52.
Speaking of a "beautiful glow", these bottles were exceptionally
beautiful when they were in operation.  Really had no need for 
building lights at night, with these bottles in use.   (I hope I'm
not "mis-remenbering" these 450's in place of 250's in the 
Collins equipment--------perhaps some of you with a better
recollection or knowledge of the tubes used in the Collins 2 to 
5 KW communications (AM and/or CW) military facilities can
set me straight on this.)   At any rate, the on-base Ham Club,
JA2CC, were always very happy to get our tube pull-outs, every
time we had reason to replace them during our equipment PM's.

73
Bill, K5VKL


--------- Forwarded message ----------
From: telegrapher at att.net
To: Boatanchors at mailman.qth.net
Date: Tue, 29 Jun 2004 13:04:09 -0700
Subject: [Boatanchors] Tube info
Message-ID: <40E1CB39.6950A627 at att.net>

I have a 450Th and 450 TL NIB and shipping frames.  Anyone know what
type transmitter they might have been used with and are any of them
still in service?  Amateur, commercial or Gummit  agency?

Larry
W0OGH
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