Ron, Mark, Gary. BVARC.........Have a read of the March 2020 BVARC Beacon
The Radio Hotel column "Wire -- Simply Wire". It is about wire (duh) and
references Rudy Severns, N6LF, who did a study on wire.
http://www.bvarc.org/newsletter/202003.pdf
Also read November Beacon 2016 The Radio Hotel "The Skinny on Wire"
http://www.bvarc.org/newsletter/201611.pdf ....more
Rudy Severns stuff.
That should give you the full monty on wire by reading Rudy's excellent
articles.
GL and 73....W5RH
ps....the BVARC newsletter is a treasure trove of info on all aspects of
Ham Radio. They go back to the 70's. Unfortunately, there is not a
searchable reference to the issues. You just gotta look yourself.
On Sun, Dec 20, 2020 at 5:01 PM Gary Sitton via BVARC <[email protected]>
wrote:
> All:
>
> Uninsulated Copper wire will oxidize over time forming a dark oxide layer
> on the wire. Copper oxide (CuO) is an electrical conductor but with higher
> resistance than Copper. Since the skin depth at higher frequencies is very
> thin, 0.001'' or less, and is a function of bulk resistivity, a CuO layer
> on the
> bare Copper conductor will increase it's resistance. Using an insulated
> wire also cause an additional local permittivity increase thus adding some
> addition capacitance thus shortening the wire length which is required at
> any given frequency. So IMHO, use PVC insulated stranded wire if possible.
>
> 73, Gary K5AMH
>
> On 12/20/2020 3:01 PM, Ron Bosch via BVARC wrote:
>
> Mark,
> Assuming copper clad or copper wire, anything above 21 AWG is fine for any
> freq greater than 160M from a skin effect standpoint. After that it is all
> about tensile strength vs ductility. Too ductile and it will sag. too
> brittle and it will part. The first three HF antennas, including my 135'
> random, I built were made from some 16 G PVC coated copper power wire I had
> 500' of from an outdoor power run for security cameras. They all worked,
> but the wire stretches under strain, so about every month I have to pull it
> tight. Eventually this will make it part. I bought 500' of #14 stranded
> PVC coated wire from Palomar Engineers because I fell in love with it after
> using 50' of it on an end-fed coil loaded EmComm antenna I built. Once the
> outdoor sprinkler power wire parts, I will rebuild the antennas with the PE
> wire.
>
> Ron
> KE4DRF
>
> On Sun, Dec 20, 2020 at 2:33 PM Mark Brantana via BVARC <[email protected]>
> wrote:
>
>> Is there some correlation for transmission power and frequency vs wire
>> gage required? Or is it essentially all about structural stability?
>> Mark
>> N5PRD
>>
>> On Dec 15, 2020, at 12:11 PM, john Parmalee via BVARC <[email protected]>
>> wrote:
>>
>> Consider #17 electric fence wire. Take two or three strands and twist
>> them together with one end clampied in a vice or something and the other
>> end in the chuck of a hand drill. it will shrink so oversize.
>> It is chap,Find it at Tractor Supply or on line.
>>
>> John Parmalee
>> [email protected]
>> 281-380-3811
>> K5VGM WI2XLJ
>> In a message dated 12/14/2020 8:37:10 PM Central Standard Time,
>> [email protected] writes:
>>
>>
>> This is link to wire I got and I am VERY impressed with these guys for
>> help. It is stranded and insulated.
>>
>>
>>
>> https://palomar-engineers.com/tech-support/tech-topics/ferrite-tutorials/search?keyword=antenna%20wire
>>
>>
>>
>>
>>
>> *From:* BVARC <[email protected]> *On Behalf Of *Rick Hiller via
>> BVARC
>> *Sent:* Monday, December 14, 2020 8:13 PM
>> *To:* BRAZOS VALLEY AMATEUR RADIO CLUB <[email protected]>
>> *Cc:* Rick Hiller <[email protected]>; Mark Janzer <[email protected]>;
>> KJ Anderson <[email protected]>
>> *Subject:* Re: [BVARC] Antenna wire?
>>
>>
>> I’d lean toward insulated. Keeps inter-strand noise at a minimum. 135
>> feet—- 14 awg stranded at min. Alpha Delta uses 14 solid for their fan
>> dipoles. So either way works, depending on how it is deployed.
>>
>> Wireman, DX Eng and others.
>>
>> GL. Rick. RH
>>
>> Sent from my i-Thingamajig
>>
>>
>> On Dec 14, 2020, at 7:31 PM, Mark Janzer via BVARC <[email protected]>
>> wrote:
>>
>> Check out:
>>
>>
>> https://thewireman.com/product-category/antenna-materials/antenna-wire/
>>
>>
>> Flex weave is nice.
>>
>>
>>
>> On Dec 14, 2020, at 4:31 PM, KJ Anderson via BVARC <[email protected]>
>> wrote:
>>
>>
>>
>> I need input. I want to build an additional 40M EFHW, I’m wondering if
>> the group has input or guidance on the best kind of wire to use for the
>> long wire? It appears that the antenna manufacturers are happy to sell me
>> “high-grade antenna wire” that is nothing more than regular 14AWG wire I
>> could get literally anywhere for much less; my question is- has anyone
>> tried anything more exotic? Is there a flavor of wire that works
>> better/worse for antennas?
>>
>>
>> I appreciate you all.
>>
>>
>> ~~~~~~~~~~~~~~~~~~~~~~
>>
>> 73 de KJ5EMP
>>
>> [email protected]
>>
>> KJ in Cypress
>>
>>
>> ________________________________________________
>> Brazos Valley Amateur Radio Club
>>
>> BVARC mailing list
>> [email protected]
>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>>
>> ________________________________________________
>> Brazos Valley Amateur Radio Club
>>
>> BVARC mailing list
>> [email protected]
>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>>
>> ________________________________________________
>> Brazos Valley Amateur Radio Club
>>
>> BVARC mailing list
>> [email protected]
>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>>
>> ________________________________________________
>> Brazos Valley Amateur Radio Club
>>
>> BVARC mailing list
>> [email protected]
>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>>
>>
>> ________________________________________________
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>>
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>> [email protected]
>> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>>
>
> ________________________________________________
> Brazos Valley Amateur Radio Club
>
> BVARC mailing
> [email protected]http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>
>
> --
> Gary Sitton, K5AMH
> [email protected]
> SDR/DSP Consultant,
> "Have FFTs, Will Travel."
> ________________________________________________
> Brazos Valley Amateur Radio Club
>
> BVARC mailing list
> [email protected]
> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
>
--
Rick Hiller
*e-mail: [email protected] <[email protected]>*
*Cell: 832-474-3713*
*Physical: 9031 Troulon Drive*
* Houston, TX 77036*
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