[R-390] Twinax Antenna Input 390A

Wed, 5 May 2004 06:56:51 -0500

Contact Hank at [email protected].  I believe he makes and sells them.

73, gary

===========/////===========
Gary H. Harmon, Jr. - K5JWK
6302 Robin Forest
San Antonio, TX  78239-3218 
(210) 657-1549 home
(210) 884-6926 cell
(210) 203-7000 pager
[email protected]

-----Original Message-----
From: [email protected] [mailto:[email protected]] On
Behalf Of mikea
Sent: Wednesday, May 05, 2004 6:55 AM
To: [email protected]
Subject: Re: [R-390] Twinax Antenna Input 390A

On Tue, May 04, 2004 at 11:06:42PM -0500, [email protected] wrote:
> Some of use a little gadget made for IBM-style computer networking.
> Has a Twinax plug on one end, and a transformer in a little plastic
> housing and a modular telephone jack on the housing.  I haven't made
> any measurements, but the things seem to work fine across the HF range.
> 
> I don't know if they are still used.  At one time you could buy them
> from companies that deal in miscellaneous computer stuff, and also
> at surplus stores.

Aso, twinax is still used by various IBM minicomputers (AS/400, S/36,
S/38), and twinax plugs are readily available from large-enough parts
houses -- even here in te Oklahoma City area. 

-- 
Mike Andrews
[email protected]
Tired old sysadmin 
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