I have used a Barker & Williamson 6-position antenna
switch since I was first licensed in 1981. I don't know for
sure if they are still in business.
73 de Brad, N9EN @ Radio Free Roscoe (IL)...
----- Original Message -----
From: "Al Williams" <alwilliams@olywa.net>
To: "FireBrick" <w9ol@billnjudy.com>; "TowerTalk List"
<towertalk@contesting.com>
Sent: Monday, January 21, 2002 11:46 PM
Subject: Re: [TowerTalk] So which is the best switch
>
> Because my three position coax switch (MFJ 1702B a/b/open) became a bit
> erratically open, I took it apart and am dismayed at what I see.
>
> First, It has a nice cam action that holds the open opposite input (a/b)
> contact
> about 1/4 inch open. The contacts appear to be nice 1/8" round welded to a
> springy metal about 1 1/4" long with a fair amount of pressure on the
> contact.
>
> However, the contacts were only making at the far tip of each i.e. the 1
> 1/4 inch
> metal needed to be bent more at the far end in order to make full contact.
> Also, one contact was offset so that about 20% of the contact would miss
> the center common contact post.
>
> I assume that the design is good or adequate, but the workmanship was
> poor. In fairness, I don't know if it came from the factory that way as it
> was
> purchased at least second hand.
>
> k7puc
>
> ----- Original Message -----
> From: "FireBrick" <w9ol@billnjudy.com>
> To: "TowerTalk List" <towertalk@contesting.com>
> Sent: Tuesday, January 22, 2002 8:57 AM
> Subject: [TowerTalk] So which is the best switch
>
>
> >
> > Following the thread on antenna switches.
> > So for a inside the shack, multi coax/ant. switch. Who makes the
> > best/strongest/most reliable that is of a reasonable price for amateurs.
> >
>
>
>
> ________________________________________________________________________
> Where do you get ICE bandpass filters & beverage matching boxes? The
> same place that pays for the hosting of this list: The eHam Store.
> Order online at http://store.eham.net.
> -----------------------------------------------------------------------
>
> -----
> FAQ on WWW: http://www.contesting.com/FAQ/towertalk
> Submissions: towertalk@contesting.com
> Administrative requests: towertalk-REQUEST@contesting.com
> Problems: owner-towertalk@contesting.com
>
>
________________________________________________________________________
Where do you get ICE bandpass filters & beverage matching boxes? The
same place that pays for the hosting of this list: The eHam Store.
Order online at http://store.eham.net.
-----------------------------------------------------------------------
-----
FAQ on WWW: http://www.contesting.com/FAQ/towertalk
Submissions: towertalk@contesting.com
Administrative requests: towertalk-REQUEST@contesting.com
Problems: owner-towertalk@contesting.com
|