Definitely look at a NanoVNA. It’s cheap and does all the things. ------------------------------------------------- KJ Anderson 253-380-2636 www.linkedin.com/in/scrumnerd<http://www.linkedin.com/in/scrumnerd>
From: BVARC <[email protected]> On Behalf Of Michael Giannaccio via BVARC Sent: Friday, November 20, 2020 1:37 PM To: mark janzer via BVARC <[email protected]> Cc: Michael Giannaccio <[email protected]> Subject: Re: [BVARC] Antenna feed point help Thanks for the info Mark! Good read on the hairpin match. That makes sense that maybe just a possible shorter hairpin match could be the ticket. I guess I'll be looking into getting an antenna analyzer. I'll need one around the shack anyway in the future. -- Mike Giannaccio KI5LFZ On Friday, November 20, 2020, 12:44:00 PM CST, mark janzer via BVARC <[email protected]<mailto:[email protected]>> wrote: Here's a youtube of constructing a tape measure yagi, for reference. (1) Tape Measure Yagi Beam Antenna - Ham Radio Q&A - YouTube<https://www.youtube.com/watch?v=BmHoQrDfw-0&feature=emb_logo> [https://s.yimg.com/nq/storm/assets/enhancrV2/23/logos/youtube.png] Tape Measure Yagi Beam Antenna - Ham Radio Q&A Trying your modification may only require experimental adjustment of the hairpin match. You'll want to use an antenna analyzer to check it. Here's an article on the hairpin match. HairpinArticleFix (ehpes.com)<http://ehpes.com/n6mw/HairpinArticleFix.pdf> Hopefully someone from AMSAT (Andy? W5ACM or Rick HIller W5RH) can shed more light on this. 73 Mark K5MGJ On Friday, November 20, 2020, 11:09:31 AM CST, Michael Giannaccio via BVARC <[email protected]<mailto:[email protected]>> wrote: Good morning, I'm wanting to build a 2m tape measure yagi and I'm seeing that most of the designs on the web are feeding it with a length of RG58 coax stripped at the end and soldered to the driven element. However what I was thinking of doing is putting an SO239 connector right at the feed point of the driven element and mounted to a pvc conduit body. Then making a short jump (3 inches max) with 12 ga solid wire and soldering them to the element. I really have no experience with this kind of stuff and I'm wondering if this would work or if it would horribly impact the performance of the antenna. Sorry if this a dumb question! I'm appreciative of any help you can offer. Thanks! -- Mike Giannaccio KI5LFZ ________________________________________________ Brazos Valley Amateur Radio Club BVARC mailing list [email protected]<mailto:[email protected]> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org ________________________________________________ Brazos Valley Amateur Radio Club BVARC mailing list [email protected]<mailto:[email protected]> http://mail.bvarc.org/mailman/listinfo/bvarc_bvarc.org
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