Probe compensation helps your oscilloscope show accurate signals. Using a 10X probe reduces loading and distortion, and a quick adjustment ensures clean waveforms so you see what’s really happening.
Latest posts
2026-04-30 Craig’s QRM – May 2026
Every strong Amateur Radio club like the OARC has an amazing heartbeat — and ours is powered by our volunteers. Our volunteers keep the club thriving by sharing the load and bringing people together.
2026-04-08 OARC Homebrew Night 2026 – Report
At OARC Homebrew Night 2026, we again celebrated low-cost, scrounged, and inventive solutions. There was a total of 10 homebrewed projects presented. We heard tales of your successes and lessons learned.
2026-04-03 The Prez Sez – April 2026
In this issue: Let’s make this a season of activity, Homebrew Night (April 8), World Amateur Radio Day (April 18), Weekly Nets, CN Cycle for CHEO – Community Event (May 3) , and OARC Field Day (June 27-28)
2026-04-03 mk’s Words – April 2026
Sorry. The dog (tablet) ate my homework (column). I took a break after writing it (as I usually do, to catch mistakes), and when I got back to it, the…
2026-04-01 Ralph’s Technical Trawl – April 2026
To all who pursue the technical aspects of this wonderful hobby, these two surnames are members of a standard lexicon: George Simon Ohm and Andre Marie Ampere.
2026-03-11 OARC Monthly Meeting – March 2026 – Report
A record 77 attendees joined in on the OARC Monthly Meeting on March 11, which featured Chris Schnobb’s very informative presentation on MeshCore, LoRa, and Mesh Networking. Watch the full meeting recording here.
2026-03-05 mk’s Words – March 2026
I should have known better. Its not the first time. I have a power supply. It has one of those switches with a neon lamp inside, to let you know…
2026-03-01 Ralph’s Technical Trawl – March 2026
AI Noise Filtering — A New Frontier in Amateur Radio Audio. For decades, Amateur Radio operators have relied on traditional analog and more lately Digital Signal Processing (DSP) tools to tame some of the noise that creeps into their transceivers. AI-based filtering takes a different approach.
2026-03-01 OARC Basic Course – Fall 2025 – Report
The fall 2025 OARC Basic Amateur Radio course ran from late October until the end of January, 2026. So far, 26 of our students passed the ISED exam (most with honours). In addition, six of them also passed the Advanced. A hearty welcome to all these new hams!