[TowerTalk] 80M antenna wire size

[John Simmons]

And now you can buy high-visibility antenna wire!

-de John NI0K

Jim Brown wrote on 1/2/2020 10:18 PM:
> Teflon insulated wire, especially the silver-coated stranded copper 
> I've found on the internet to wind chokes, is VERY nice stuff. And 
> it's expensive.
>
> Sometimes it can be quite worthwhile to make antennas less visible, 
> and reduced weight can be an advantage in some situations, but those 
> are the only good reason I can think for doing that way. There are 
> times I've suggested enameled wire for low visibility. As noted, 
> insulation will lower the resonance slightly, and although larger 
> conductor diameters can increase SWR bandwidth, that's hardly a 
> critical factor, it's likely to be too little to notice for the 
> relatively small change from #14 to #20.
>
> 73, Jim K9YC
>
> On 1/2/2020 5:54 PM, Tony Brock-Fisher via TowerTalk wrote:
>> My question - if I replaced the solid #14 wire with black Teflon 
>> coated #20
>> stranded tinned copper wire am I giving up anything in performance? I 
>> would
>> think the Teflon wire would hold up okay?
>>
>> Note that using insulated wire instead of bare wire will add some 
>> capacitive loading, and the elements will resonate at a lower 
>> frequency for the same length.
>>
>> I built a triband quad using teflon insulated #18 silver plated 
>> stranded copper wire. It did come out lower in frequency. Other than 
>> that it has held up fairly well.
>>
>> -Tony, K1KP
>>
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