09 Jan 2023: Update to NVIS article, and more to come…

Now that we are recovering from an episode of “Real Life”, I’ve updated the main NVIS article with a discussion on effective ionosphere height, and the impact on vertical angle vs. distance. This supports some other work that is ongoing… →Read more

18 August 2022: added 4 videos on setting up a portable dipole

Added 4 videos to my “videos” page, and to the “dipole designs” index page. These videos show my typical methods of setting up portable dipoles. →Read more

Field Antenna Workshop on Saturday 13 August, 2022

On Saturday 13 August 2022, I am presenting a Field Antenna Workshop in Hillsboro, Oregon, for the Washington County Amateur Radio Emergency Service (ARES®). Hillsboro is a western suburb of Portland, Oregon (airport code PDX). This workshop is open to others who are interested, although there may be some space limitations. If you are interested […] →Read more

13 June 2022: added Field Day Checklist, improved rope tensioner method.

Added a Field Day Checklist to the Field Day Antennas page. Added an improved method of using a traditional rope tensioner in the Alternatives to Knots page. →Read more

25 May 2020: added Field Day Wire Length Table

Added a table of wire lengths for some common antennas to the Field Day page. →Read more

3 May 2022 – added double loops, bisquare, Johnson Matchbox

Added double loops and bisquare to the Loop Antenna Designs and Field Day Antenna Selection page, and the Johnson Matchbox to the Feeding the Antenna section. →Read more

8 March 2022 – added Field Day Antenna Selection Guide, multiband dipoles, wire yagis and quads

Along with the Field Day Antenna Selection Guide, there are new articles on multiband dipoles, wire yagis, wire quads, and wideband fan dipoles. And watch for more Field Day related articles to come soon! →Read more

10 January 2022 – added pattern plots to single-wire NVIS antennas

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9 Jan 2022 – updated NVIS and Alternatives to Knots

9 January 2022 – expanded articles on NVIS and Alternatives to Knots →Read more

2 Jan 2022 – added antenna tuner efficiency test, and more tuner descriptions

You’ll find them under “Feeding”. →Read more