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The 80M elevated wire vertical array

August 26, 2010

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.

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

August 19, 2010

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.

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Phased 40M Wire Verticals

August 15, 2010

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.

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Analyzing my terrain for HF gain

July 11, 2010

Sometimes when my antenna is at 25′, I do quite well into Canada and the U.S — perhaps even better than with the antenna at 45′. Terrain analysis helped end the mystery of height vs. performance at this ridge-top QTH.

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QSL cards

May 20, 2010

Are you waiting for a QSL from VA7ST? All contacts in my log receive a confirmation using the ARRL’s Logbook of the World.

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End of an Era: Kon-Tiki

January 20, 2010

On Christmas Day 2009, Knut Haugland, the last surviving crew member of the Kon-Tiki voyage, passed away at the age of 92.

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Building a Beverage receive antenna

November 16, 2009

If you have room to run a short 270′-long Beverage antenna, you’ll improve your reception on the low bands (160M and 80M). Here’s how I built the antenna and just-too-easy transformer.

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SteppIR 3-element yagi

May 15, 2009

Choosing the SteppIR 3-element was not a difficult decision. Those who have used this antenna swear by it. Read my notes as I purchased, installed and put one on the air at VA7ST.

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FT-2000 — Thoughts and Observations

January 1, 2009

Observations about owning the Yaesu FT-2000 — with a few tips and tricks for happy owners.

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A linear-loaded 40M rotatable dipole

August 27, 2006

The “crappie pole” is a short, linearly loaded 40M rotatable dipole you can build for $50 or less. And it works!

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