VA3-GUF-Frank (Junior Member) Registration Date: 2020-02-27 Date of Birth: Not Specified Local Time: 2025-12-06 at 14:34:33 Status: Offline

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VA3-GUF-Frank's Signature Cheers Frank Grey County ACS/ARES Co-ordinator VA3-GUF / VE0-GUF / VE0-VET VA3-GUF-Frank's Most Liked Post Post Subject Post Date/Time Numbers of Likes The workings of a 4 Bay Dipole antenna 2021-02-11, 08:19:39 1 Thread Subject Forum Name The workings of a 4 Bay Dipole antenna Amateur Radio » Builders --- Hardware and Software Antennas Post Message The attachment file is the Feb 09/2021 GBARC technical presentation.  The antenna I took apart was a 4 bay 70cm was the main soucre of photos and reference for the presentation.  The 4 bay unit did not have any 1/4 wave matching coax in the grounded feed arm of the folded dipole.  The 1/4 matching coax of a different impedance is used to make the antenna once completed a 50 ohm device.  Would probably be needed for the 2 bay or 1 bay antenna.  As part of phasing a multiple bay antenna, matching coax of different impedance may be needed but was not used on the reference 4 bay 70cm unit I used. From the questions and follow-up emails, the info presented about the 4 bay diople appeared to be of great interest to those present.  I know for me it changed the way I thought how they were made.  If you were not there, you may find this interesting as well. Cheers Frank VA3-GUF / VE0-GUF / VE0-VET