I use the black from Tractor Supply. They seem to work well but fade from uv I
guess. How would you go about testing them for conductivity? Thanks Fred KB4QZH
-------- Original message --------From: Kenneth Grimm <grimm@sbc.edu> Date:
8/4/21 8:59 AM (GMT-05:00) To: Grant Saviers <grants2@pacbell.net> Cc:
topband <topband@contesting.com> Subject: Re: Topband: Materials for Beverages?
I've been using black and yellow screw in insulators to support beveragewires
for years with no problems....well, with the insulators thatis...plenty of
problems with falling trees, etc.73,Ken - K4XLOn Tue, Aug 3, 2021 at 6:46 PM
Grant Saviers <grants2@pacbell.net> wrote:> N7QT & I verified that black ring
screw-in insulators are too conductive> for one or two transmit radials on
160m. Lot's of arcs and smoke. I> now use the yellow 4" long barb wire
insulators screwed to trees to> support 160m elevated Tx radials.>> Black may
not be a problem with Beverage field strengths.>> Grant KZ1W>> On 8/3/2021
11:16, Tim Duffy wrote:> > Two things concern me about black. UV and possible
carbon used to color> > black - which may be conductive at RF frequencies> >> >
73> > Tim K3LR> >> > -----Original Message-----> > From: Topband
[mailto:topband-bounces+k3lr=k3lr.com@contesting.com] On> > Behalf Of Drew
Vonada-Smith> > Sent: Tuesday, August 3, 2021 1:02 PM> > To:
topband@contesting.com> > Subject: Topband: Materials for Beverages?> >> >
Gene,> >> > I have used those and others in that series with only fair
results.> They do> > break more often than I'd like. I replace about 10% of
them per year,> which> > is acceptable given that they are cheap. But I have
not found anything> > better.> >> > FYI - I'd be happy to use black ones, but
have never seen them. My local> > farm store carries the exact same bright
yellow ones you listed. A link> to> > a "preferred type" would be welcome.
I'm a bit of a birder and have not> > heard of any hummingbird death issues.
References?> >> > 73,> > Drew K3PA> >> > ________________________________> >>
>> > Toda> > Date: Mon, 2 Aug 2021 16:35:47 -0400> > From: Gene Smar
<ersmar@verizon.net>> > To: topband@contesting.com> > Subject: Topband: Fwd:
[TowerTalk] Fwd: Amazon recommends "Zareba> > ITY-Z Standard..." and
more> > Message-ID: <78ef5d0e-0d78-c118-0819-e5ccc2dd72f3@verizon.net>> >
Content-Type: text/plain; charset=utf-8; format=flowed> >> > FYI.? Materials
for Beverages?> >> > 73 de> > Gene Smar? AD3F> >> >> >> > Hello Gene Smar,> >>
> We found some items we think you might like.> >> > Zareba ITY-Z Standard
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6352090>> >> > $21.99> >> >> >> > _________________> > Searchable Archives:
http://www.contesting.com/_topband - Topband> Reflector> >> >
_________________> > Searchable Archives: http://www.contesting.com/_topband -
Topband> Reflector> >> _________________> Searchable Archives:
http://www.contesting.com/_topband - Topband> Reflector>-- Ken - K4XLBoatAnchor
Manual ArchiveBAMA - http://bama.edebris.com_________________Searchable
Archives: http://www.contesting.com/_topband - Topband Reflector
_________________
Searchable Archives: http://www.contesting.com/_topband - Topband Reflector
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