[Boatanchors] Switching ladder line...

[D C *Mac* Macdonald]

I have no idea as to the quality of it, but MFJ
has a fairly new switch for parallel lines. It
will handle four separate antennas, IIRC.

* * * * * * * * * * *
* 73 - Mac, K2GKK/5 *
* (Since 30 Nov 53) *
* Oklahoma City, OK *
* USAF, Ret (61-81) *
* * * * * * * * * * *




> From: km1h at jeremy.mv.com
> To: rickb at tx.rr.com; boatanchors at mailman.qth.net
> Date: Fri, 11 Mar 2011 15:59:03 -0500
> Subject: Re: [Boatanchors] Switching ladder line...
> 
> Do it the way it was done in the 40's, as many DPDT relays as needed and 
> select the one wanted, the others are floating and all need decent HV 
> voltage ratings.
> 
> You could also use a mess of vacuum relays which might be cheaper than HV 
> open frames
> 
> Once coax became available all that stuff went into the trash.
> 
> Carl
> KM1H
> 
> 
> ----- Original Message ----- 
> From: "Rick" <rickb at tx.rr.com>
> To: <boatanchors at mailman.qth.net>
> Sent: Friday, March 11, 2011 3:09 PM
> Subject: [Boatanchors] Switching ladder line...
> 
> 
> > I'm looking for suggestions on how to switch ladder line between three or
> > four different rigs without having to unhook it. I would like a
> > configuration similar to a four pole coax antenna switch, but using ladder
> > line. I've thought of using knife switches, but would like to hear how
> > others have accomplished this. I'd like to run ladder line directly to 
> > each
> > balanced tuner of each rig. Is anyone doing this and if so, how?
> >
> >
> >
> > Thanks,
> >
> > Rick/K5IAR