Recapping 2017 CQWW Phone

Written by admin On October - 31 - 2017 Comments Off on 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

Written by admin On June - 12 - 2017 Comments Off on 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.

Introducing the Zone Zero podcast

Written by admin On April - 21 - 2017 Comments Off on Introducing the Zone Zero podcast

It’s time for a podcast devoted to amateur radio contests. Now we have one. Welcome to Zone Zero.

New radio room is on the air

Written by admin On August - 24 - 2016 Comments Off on New radio room is on the air

After two years of “all talk, no action,” the radio room has been rebuilt.

Heathkit SB-221 brought back to life

Written by admin On May - 9 - 2016 Comments Off on Heathkit SB-221 brought back to life

An overview of my SB-221 amplifier repair project — a notebook about what it needed and what I did.

The Large and Powerful Spider Beam

Written by admin On January - 23 - 2016 Comments Off on The Large and Powerful Spider Beam

Here’s a homemade, lightweight but full-size triband yagi (with directors and reflectors in V configuration) interlaced on a 32-foot boom. And it works like a dream.

Hybrid wire element SteppIR 40M yagi

Written by admin On January - 23 - 2016 Comments Off on Hybrid wire element SteppIR 40M yagi

Expand a 40M rotatable dipole into a 2-element yagi with a fixed wire element. Add a relay to the wire and get instant 180-degree rotation, too.

LED lighting for CDE/Hygain rotator meter

Written by admin On September - 7 - 2015 Comments Off on LED lighting for CDE/Hygain rotator meter

Tired of burned-out bulbs in your CDE rotator meter? Replace the bulb with an LED strip — it’s inexpensive and LEDs will last a very long time.

Rebuilding the radio room

Written by admin On August - 15 - 2015 Comments Off on Rebuilding the radio room

Big plans for the radio “shack” at VA7ST… will it ever be built?

Astron power supply digital meter (volts/amps)

Written by admin On July - 10 - 2015 Comments Off on Astron power supply digital meter (volts/amps)

Want to know what that “blind” power supply is putting out? Add a digital volt/ammeter to your meterless Astron power supply