Topband
[Top] [All Lists]

Re: Topband: using 2 wire beverage transformer for 1 wire beverage

To: "Zivney, Terry L." <00tlzivney@bsu.edu>, <topband@contesting.com>
Subject: Re: Topband: using 2 wire beverage transformer for 1 wire beverage
From: "ZR" <zr@jeremy.mv.com>
Date: Sat, 5 Feb 2011 13:42:02 -0500
List-post: <topband@contesting.com">mailto:topband@contesting.com>
I have one single wire Beverage that was installed on the low brush 4-12" 
above the soil that worked well in a direction I had RFI from a neighbor. It 
is now under 4' of snow and ice and appears to work the same.

Carl
KM1H



----- Original Message ----- 
From: "Zivney, Terry L." <00tlzivney@bsu.edu>
To: <topband@contesting.com>
Sent: Saturday, February 05, 2011 12:05 PM
Subject: Topband: using 2 wire beverage transformer for 1 wire beverage


> Last week the weathermen predicted a major ice storm, so to minimize 
> potential damage to
> my station, I lowered the ropes holding my 160m vertical wires and removed 
> the tension at
> the ends of my KD9SV two wire beverages, letting all of this rest on the 
> brush.
>
> Now, these wires are buried under more than two inches of ice, and several 
> inches of snow
> on top of the ice are going to hinder thawing for quite a while.
>
> In order to erect a couple of temporary beverage antennas, I want to use 
> the old standby
> 14 gauge THHN house wire.  I'd like to use the existing KD9SV two wire 
> beverage
> transformers, because they are connected to the coaxes (also buried under 
> ice and
> snow) that run to the remote relay box.
>
> I know that the remote end box of the KD9SV unit does not have a 
> termination,
> that being provided by the feed end box connection to the remote switch 
> with its
> bank of 75 ohm resistors on the unselected feedlines.
>
> Question:  Can I simply attach a 470 ohm resistor between the far end of 
> the single wire
> beverage and the ground rod, and then connect the feed end of the wire to 
> one of
> the two antenna wire binding posts of the KD9SV box (leaving the other one 
> empty)
> and expect reasonable performance?  I want to minimize the effort on this 
> "temporary"
> problem.
>
> Terry Zivney, N4TZ/9
> _______________________________________________
> UR RST IS ... ... ..9 QSB QSB - hw? BK 

_______________________________________________
UR RST IS ... ... ..9 QSB QSB - hw? BK

<Prev in Thread] Current Thread [Next in Thread>