I have a HiGain/Telex HAM-IV that I purchased new in 1984. It is in a
two-piece plastic box (top and bottom).
Bill, N3RR
----- Original Message -----
From: alsopb <alsopb@gloryroad.net>
To: Wilf Barby <wbarby@telus.net>
Cc: TowerTalk <towertalk@contesting.com>
Sent: Thursday, May 03, 2001 9:40 PM
Subject: Re: [TowerTalk] Ham4
> Hi Wilf,
>
> Thanks info. I wonder if they were all sent to Canada. Of the 7
> boxes I had here through the years one (Ham-m) was a tiny plastic
> box. The rest were big two tone metal boxes. One was for a Ham2, two
> were for Ham3's and four were for Ham4's. Since all are >10years old,
> I wonder what the
> vintage of your Ham IV'S are. Clearly my statistical database isn't
> large enough. (I use the same sampling techinques employed in
> presidential elections down here).
>
> Norm's rotor repair service has this interesting statement about the
> control boxes.
>
> "A Ham-M has a single-levered control box with a meter. In 1973 the
> mold for making the Ham-M control unit shell was destroyed in a fire.
> So rather than spend the money to replace the mold, the Ham-2 was
> born. The rotor was the
> same as the Ham-M, but the control unit was replaced with a
> three-button unit with a continuous meter reading."
>
> This would indicate that either some other mold was made accommodating
> three-button switches (unlikely) or the change was made in 1973 to the
> metal case versions.
>
> You sure you have Ham IV's? Do your units have the three switches?
>
>
> 73 de Brian/K3KO
>
> Wilf Barby wrote:
> >
> > Hi Brian, I have three Ham IV control boxes and all are
> > plastic boxes. The Ham-M had a metal case. 73,
> >
> > Wilf VE7QO
> >
> > wbarby@telus.net
> >
> > List Sponsor: ChampionRadio.com - Trylon self-supporting towers,
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> >
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