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Re: [CQ-Contest] 1/4 inch tubing

To: Joe <nss@mwt.net>, Stan Stockton <wa5rtg@gmail.com>
Subject: Re: [CQ-Contest] 1/4 inch tubing
From: Gary K9GS <k9gs@gjschwartz.com>
Date: Sat, 03 Jan 2026 23:39:13 -0500
List-post: <mailto:cq-contest@contesting.com>
https://www.perplexity.ai/search/why-should-vertical-antennas-n-Gnv77InSRwOMJZ3jdQk8MgNot
 a good idea to have a very small diameter tip on a vertical antenna 73,Gary 
K9GS
-------- Original message --------From: Joe <nss@mwt.net> Date: 1/3/26  10:20 
PM  (GMT-05:00) To: Stan Stockton <wa5rtg@gmail.com> Cc: 
cq-contest@contesting.com Subject: Re: [CQ-Contest] 1/4 inch tubing Self 
supporting full sized elevated 40 meter vertical. tip starts as a 1/8" solid 
rod,Joe WB9SBDOn 1/3/2026 8:04 PM, Stan Stockton wrote:> Is the need for 1/4” 
tubing for 40 meter verticals?>> I cannot imagine making a 40m vertical or any 
other HF vertical or half wavelength element that would have anything smaller 
than 3/8” tubing at the tip.>> Stan, K5GO>> Sent from my iPhone>>> On Jan 3, 
2026, at 8:02 PM, Joe<nss@mwt.net> wrote:>>>> I wasn't worried about 
stiffness.>> It is the telescoping to the 1/8" rod. the 0.049, it was pretty 
tough to get a good grip to lock the rod in place too much slop.>>>> Joe 
WB9SBD>>>>> On 1/2/2026 11:54 PM, K9MA wrote:>>>> On 1/2/2026 7:30 PM, Zack 
Widup wrote:>>>> That's where I have been buying aluminum tubing. They don't 
have 0.058">>>> wall thickness in 1/4" diameter tubing, but the closest they 
have for that>>>> diameter is 0.049", which I suspect will work.>>> You don't 
get a whole lot of extra stiffness by going from a .049 to .058 inch wall 
thickness in tubing this small.>>>>>> 73,>>> Scott K9MA>>>>> 
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