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Re: [TowerTalk] Topband: Insulators for enclosure?

To: "'Wilson A. Caselli'" <wcaselli@webkorner.com>, "'Larry'" <w6nws@arrl.net>, <towertalk@contesting.com>
Subject: Re: [TowerTalk] Topband: Insulators for enclosure?
From: "AD5VJ Bob" <rtnmi@sbcglobal.net>
Date: Sat, 3 Jan 2009 10:21:15 -0600
List-post: <towertalk@contesting.com">mailto:towertalk@contesting.com>
These links are perfect for what I was looking for thanks very much, I had been 
looking at various sources, but not those listed,
these are the ones.

Bob AD5VJ 

> -----Original Message-----
> From: towertalk-bounces@contesting.com 
> [mailto:towertalk-bounces@contesting.com] On Behalf Of Wilson 
> A. Caselli
> Sent: Friday, January 02, 2009 4:47 PM
> To: Larry; towertalk@contesting.com
> Subject: Re: [TowerTalk] Topband: Insulators for enclosure?
> 
> The correct name is "feed-through insulator", not stand-off insulator.
> 
> Look Here: 
> http://www.dxengineering.com/Parts.asp?ID=1222&PLID=166&SecID=
> 81&DeptID=32&PartNo=DXE%2DVFCC%2DH10%2DA
> 
> I have one of the above feedline current chokes mounted at 
> the base of my Hy-Tower.  It is working great for me.
> 
> Many years ago companies like National Radio, J.W. Millen, & 
> E.F. Johnson (and others) had these feed-through insulators 
> available (in various sizes) as catalog items.  To my 
> recollection, Coors Technical Ceramics was most-likely the 
> source for most of these products.
> 
> May I suggest you download a product manual from MFJ on one 
> of their KW antenna tuners, then look-up the MFJ part number 
> for the feed-through insulators used in it.  MFJ is very 
> accommodating and quick as long as you give them a MFJ part 
> numbers.  MFJ also has a price list posted on line.
> One possible MFJ feed-through insulator is # 606-1006 at 
> $3.95 each, but I suspect it may be too small for your 
> application (you may need a longer creep distance for higher 
> voltages).
> 
> Surplus Sales at: 
> http://www.surplussales.com/Antennas/Antennas-6.html  has a 
> (ICR) 9548 which would likely do the job too.
> 
> Wilson Caselli, K1MIJ
> 
> 
> ----- Original Message -----
> From: "Larry" <lknain@nc.rr.com>
> To: <towertalk@contesting.com>
> Sent: Thursday, January 01, 2009 6:59 AM
> Subject: Re: [TowerTalk] Topband: Insulators for enclosure?
> 
> 
> The white conical insulators are usually called standoff 
> insulators. They
> are usually used with balanced feed lines,
> 
> 73, Larry  W6NWS
> ----- Original Message ----- 
> From: "AD5VJ Bob" <rtnmi@sbcglobal.net>
> To: <topband@contesting.com>
> Sent: Thursday, January 01, 2009 1:52 AM
> Subject: Topband: Insulators for enclosure?
> 
> 
> >I was searching some links sent to me concerning the 
> matching transformers
> >and BALUNs UNUNs , ect that some had sent and appreciated
> > them and am learning allot from them as I go along.
> >
> > Can anyone tell me what these small white insulators are 
> called that are
> > on the boxes of the transmit BALUNs on this page. I am
> > talking about the two white ones that the wire connects to 
> with the screws
> > and nuts on the ends.
> >
> > They are about five pictures down from the top of the page.
> >
> > http://www.arraysolutions.com/Products/baluns.htm
> >
> >
> >
> >   73 fer nw es gud DX,
> > QSL VIA: LotW, BUR, e-QSL
> > Bob AD5VJ
> > http://www.ad5vj.com/
> > Old Calls WB5ZQU, WY5L/KH3, KE5CTY, N5IET
> >
> >
> > _______________________________________________
> > Topband mailing list
> > Topband@contesting.com
> > http://lists.contesting.com/mailman/listinfo/topband
> >
> 
> 
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