• Recap: 2020 RTTY Roundup

    The new decade opened with the annual ARRL RTTY Roundup, and I was excited to get on the air to cap off a wonderful three-week holiday break. Boomer (seen here) and I had one antenna repair to make in the deep snow late at night.

  • Estate Sale

    Lots of ham gear for sale. Power supplies, affordable oscilloscopes, frequency counters, multimeters, and more. Check the equipment list!

  • Tracking progress with Athena log analysis

    View your real-time totals during a contest, and compare them in real-time with previous contests. Athena, created by PC5M (sk), does exactly that.

  • Adding 7 elements on 6M

    6M is about to be a whole lot more fun from VA7ST with the addition of an M2 6M7JHV yagi — 7 elements on a 30-foot boom.

  • ARRL 160M pre- and post-contest

    The Zone Zero podcast featured two episodes devoted to the 2017 ARRL 160M contest. See how I thought I would do in the contest, then listen to how I actually did.

The 80M elevated wire vertical array

Written by admin On August - 26 - 2010 0 Comment

Here’s a great 80M antenna: a pair of raised 1/4-wave (68′) verticals in the pine woods, using Christman phasing, and capable of firing in either of two directions. Mine aim east and west.

A cheap 40M DX machine: the twin half-square array

Written by admin On August - 19 - 2010 1 Comment

This may be the cheapest, lowest, no-radials-required, no fancy networks, way to get great gain on 40M. If you have some rope, trees, junkbox wire, a couple of DPDT relays, and some coax laying around, you have all it takes to build this antenna.

Phased 40M Wire Verticals

Written by admin On August - 15 - 2010 5 Comments

Here’s a two-element array of wire verticals for 40M — read about using passive phasing, then Christman phasing. Includes a handy online calculator for phasing line lengths, and audio clips of the array in action.