• 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.

  • CQWW CW 2017 — pre- and post-contest

    This year, I prepared two special editions of the Zone Zero podcast — one a preview of the CW Worldwide CW contest on Nov. 25 and 26, 2017, and a post-contest report. 

  • Recapping 2017 CQWW Phone

    The world came out to play in the 2017 CQWW Phone contest, October 28-29. See a brief analysis of running domestic stations vs. chasing DX in one of the biggest worldwide contests of the year.

  • Adding the Ameritron AL-80B to the shack

    The VA7ST station has a new contesting amplifier — the Ameritron AL-80BX joins a pair of SB-221 amplifiers for high-power operation. See how they matched up in the DRCG Worldwide RTTY contest, and general thoughts about both approaches to QRO contesting.

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 0 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.