Topband: bn73 cores

[Tom Homewood]

If you look at the picture this link takes you to, you will see the leads
are exiting on opposite sides of the binocular core.

73, Tom, W1TO

----- Original Message ----- 
From: "CHARLES HUTTON" <charlesh3 at msn.com>
To: <topband at contesting.com>
Sent: Friday, October 22, 2004 6:48 PM
Subject: RE: Topband: bn73 cores


> Logan:
>
> These cores are binoculars so there really isn't an opposite side.
>
> Check out http://www.w8ji.com/core_selection.htm and scroll down to the
> bottom and you'll see a picture of a transformer wound for Beverages.
>
>
> Chuck
>
>
> >From: "Logan Dietz" <cdietz at swbell.net>
> >To: "'Tom Homewood'" <w1to at adelphia.net>,"'linda doyle'"
<ldoyle at gwi.net>,
> ><topband at contesting.com>
> >Subject: RE: Topband: bn73 cores Date: Fri, 22 Oct 2004 13:49:38 -0500
> >
> >Do you put the turns on the opposite sides of the core?
> >
> >-----Original Message-----
> >From: topband-bounces at contesting.com
> >[mailto:topband-bounces at contesting.com]
> >On Behalf Of Tom Homewood
> >Sent: Friday, October 22, 2004 7:37 AM
> >To: linda doyle; topband at contesting.com
> >Subject: Re: Topband: bn73 cores
> >
> >Hi John,
> >
> >Two turns on the primary and 8 or 9 turns on the secondary. 9 turns will
> >give you roughly 1012 for the secondary impedance.
> >
> >Eight turns will give you 800 ohms on the secondary, so pick which ever
is
> >closest.
> >
> >73, Tom, W1TO
> >
> >----- Original Message -----
> >From: "linda doyle" <ldoyle at gwi.net>
> >To: <topband at contesting.com>
> >Sent: Tuesday, October 19, 2004 9:15 AM
> >Subject: Topband: bn73 cores
> >
> >
> >gentlemen: several people have asked me what the winding  data is for the
> >bn73 cores when it comes to building pennants and flag antennas if
someone
> >knows would he or she please post it on this web I've never built either
> >but
> >i'm sure someone who visits this site knows thanks John K1GUN.
> >_______________________________________________
> >
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