Building an easy copper tape and PVC vertical antennas with John Portune, W6NBC
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- Опубліковано 23 лип 2024
- John Portune, W6NBC, shows how to build an easy, cheap, and effective vertical #antenna using a self-adhesive metal tape and a PVC pipe. The original design targeted 2m band, but since then has been extended to lower bands. Make sure to watch the Q&A session (linked below) for more details.
Q&A session: • Building an easy coppe...
00:00 Introduction
01:27 The challenge: write a QST article about a simple antenna
04:18 How does the antenna work?
05:52 Efficiency of a small antenna
08:18 What is Radiation Resistance?
11:54 Copper tape antenna v.s. J-Pole
14:26 Construction of the antenna
16:11 Tuning and matching
29:41 Other bands
30:00 G4HCC 4m antenna
31:24 "Snoopy" antenna
34:49 Antennas for HF bands
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#2mAntenna #UHFAntenna #helicalantenna #vws #ViennaWirelessSociety #hamr #HamRadio #homemadeantenna - Наука та технологія
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This is a interesting topic John. What I am wondering is could this antenna somehow be used for a Free to the Air TV ?? Please drop a line on what you think Sir.
Thanks for the presentation, very interesting, I happen to have some copper tape and am planning on using pvc tubing to support a square loop for 40metres giving me the option for including up to 4 stealth antennas for various bands. My thoughts on efficiency is, If your'e not expecting to be heard, there's more satisfaction in getting their callsign in the log. Thanks again 73 de G0USL
What would the effects on performance be if you modified this using PVC of greater diameter, effectively shrinking the length even more.? Just thought a long stealthy antenna could be built by wrapping copper tape directly around a wooden telephone pole 12 inches or so in diameter.
I can't tell what would be the effect of increased diameter, but a soggy, wooden telephone pole would greatly increase losses.
Nice project. Far too many inserted ads (every 5 minutes)
This channel is not monetized. If you see ads, blame UA-cam. We don't get a single penny out of what YT shows to viewers.
Agreed. I wonder why there were so many ads on this single video and just the normal 2 on most others. I hope you monitor and watch your videos via an outside account to see just how many commercials are inserted. PS. I subscribed and gave a thumbs up. Best 73@@ViennaWirelessSociety
@WECB640 Without monetization we have no control over how many ads are shown, and where. It is completely up to YT's advertising algorithm to show them. Apparently, it's decided that this topic is popular enough to stuff the video with ads. This is sad, but there is nothing we can do at this point.
Braid or wire to the top of the antenna? Or doesn’t it matter?