WB3CQK
WB3CQK

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All aprs aredn digital emcomm emerging field-day ft8 js8call mesh meta portable sdr weak-signal winlink
May 8, 2026 SDR

Getting started with RTL-SDR: a $30 way into software-defined radio

An RTL-SDR dongle is the cheapest real entry point into software-defined radio, and it's a genuinely useful tool well beyond just listening.

May 5, 2026 AREDN

Getting your first AREDN node on the air — a practical checklist

From picking hardware to joining the JFMDNA mesh — a practical walkthrough for getting your first AREDN node configured and connected.

Apr 25, 2026 147.030 MHz / 2m FM / Fusion

Phil-Mont’s DENn net: a weekly digital education net worth checking into

The Phil-Mont Mobile Radio Club runs a standing weekly net specifically focused on digital modes — exactly the kind of regular practice that makes a difference when it actually matters.

Apr 22, 2026 3.5–7.3 MHz

NVIS antennas: the EmComm case for low and horizontal

For regional EmComm traffic — 50 to 300 miles — a properly low dipole often outperforms a taller antenna, because of how NVIS propagation actually works.

Apr 10, 2026

Field Day 2026: go-kit and digital station plan

Building out a battery-powered digital station for Field Day, with an eye toward what would actually deploy for a real activation — not just a contest weekend.

Mar 28, 2026

Parks on the Air as low-stakes EmComm practice

POTA looks like a casual operating award program, but every activation is also a rehearsal for deploying a portable station fast, under real-world conditions.