❌

Vue lecture

↗️

Sliderule Emulator with Equation Solver

✇AmateurRadio.com
Par :Richard AA4OO

Hemmi/Post 1460 Versalog Slide Rule

A classic slide rule replica implemented in JavaScript. All scales are programmatically drawn from reverse-engineered mathematical equations.

Open in Full Screen →

How to Use

  • Drag the rule or cursor with your mouse
  • Scroll with mouse wheel to zoom in/out
  • Right-click on cursor or scale to enter values:
    • Numbers: 3.14
    • Constants: pi, e
    • Degrees: 2:30:26
  • Use the Equation feature to solve mathematical expressions
  • Toggle Markings and Display options in the control panel

💾

  •  
  • ↗️
↗️

Does POTA’s Selection of U.S. Park Entities Shortchange Urban Hams?

✇AmateurRadio.com
Par :Frank K4FMH
Administrators Say They Will Not Include Local-Area Parks On a regular Saturday-morning Zoom meeting of hams a few months ago, a participant in Los Angeles asked the group, “Why can’t I activate one of my local parks and have it count in POTA?” Some of those in attendance echoed the sentiment. Based on that question, […]
  •  
  • ↗️
↗️

ICQPodcast Episode 476 – QRV App

✇AmateurRadio.com
Par :Colin M6BOY
In this episode, we join Martin Butler M1MRB, Chris Howard (M0TCH), Martin Rothwell (M0SGL), Frank Howell (K4FMH), and Leslie Butterfields (G0CIB) to discuss the latest Amateur / Ham Radio news. Colin Butler (M6BOY) rounds up the news in brief, and the...

💾

  •  
  • ↗️
↗️

Amateur Radio Weekly – Issue 407

✇AmateurRadio.com
Par :Cale K4HCK
open-hamclock-backend aims to keep HamClock ticking A group of Ham Radio operators have stepped up to keep HamClock operating beyond its scheduled sunset in June. open-hamclock-backend OpenHamClock A real-time Amateur Radio dashboard for the modern operator. OpenHamClock Weekly Wednesday FSQ night We will help stations new to the FSQ mode practice with relay and trigger […]
  •  
  • ↗️
↗️

RFI issue solved!

✇AmateurRadio.com
Par :Mike VE9KK
 For those of you who are consistent readers of my blog, you may remember that for some time now, I have had an issue with RFI. The problem it caused was that my contesting program N1MM+ would freeze while CW contesting on 15m and sometimes on 20m...
  •  
  • ↗️
↗️

Amateur Radio Weekly – Issue 406

✇AmateurRadio.com
Par :Cale K4HCK
Hamvention 2026 theme and logo Our theme for Hamvention 2026 is “Radio Adventure!” Hamvention HamClock project to sunset June 2026 The HamClock project will no longer receive updates. Amateur Radio Daily Ham Radio isn’t growing and it’s all your fault Hang around the Amateur Radio community for a few decades and its many peccadillos will […]
  •  
  • ↗️
↗️

A Snapshot of U.S. POTA Sites, Activators, and Activations

✇AmateurRadio.com
Par :Frank K4FMH
We often read that POTA is the “fastest-growing activity in U.S. amateur radio.” I’ve said it, too. Several times. I think satellite operations are a distant second growth activity. But do we actually know much about POTA activity growth through empirical data? My impressions are based on guesstimates from data on Canada where I analyzed […]
  •  
  • ↗️
↗️

Amateur Radio Weekly – Issue 405

✇AmateurRadio.com
Par :Cale K4HCK
Amateur Radio operators in Belarus arrested, face the death penalty The arrests are an extreme attack on what is most often a wholesome hobby. 404 Media What did Belarusian “Amateur Radio spies” actually intercept? Enthusiasts were able to listen in on both the military and Lukashenka’s security service. BELSAT What’s new at Digital Library of […]
  •  
  • ↗️
↗️

Ham College 133

✇AmateurRadio.com
Par :George W5JDX
Ham College episode 133 is now available for download. Technician Exam Questions Part 20. T6C – Circuit diagrams: use of schematics, basic structure, Schematic symbols of basic components. T6D – Component functions: rectifiers, relays, voltage regulators, meters, indicators, integrated circuits, transformers, Resonant circuit, Shielding. This episode of Ham College (0:00-39:27) focuses on electrical diagrams and … Continue reading Ham College 133
  •  
  • ↗️
↗️

Having Blog issues

✇AmateurRadio.com
Par :Mike VE9KK
  While taking part of my morning brew I noticed an issue with my blog. I have a list of the blogs that I follow and blogger calls it a blog list gadget. The little squares beside each of the blogs I follow is supposed to be a solid color and...

💾

  •  
  • ↗️
↗️

AmateurLogic 213: RF Burns

✇AmateurRadio.com
Par :George W5JDX
AmateurLogic.TV Episode 213 is now available for download. In another Tales From The Transmitter, George presents RF Burns. Emile is getting back on the air in the new shack. Mike asks Hey What’s That, WISP? Download YouTube
  •  
  • ↗️
↗️

Amateur Radio Weekly – Issue 404

✇AmateurRadio.com
Par :Cale K4HCK
New 60-Meter frequencies available as of February 13 It’s a bit confusing, as different rules apply to different segments of the band. ARRL Using VOCAP to predict HF propagation This post goes deep into the technical choices we made to bring VOACAP — a serious propagation prediction system — to a simple web interface. DXLook […]
  •  
  • ↗️
↗️

Ham College 132

✇AmateurRadio.com
Par :George W5JDX
Ham College episode 132 is now available for download. Technician Exam Questions Part 19 T6A – Fixed and variable resistors, Capacitors, Inductors, Fuses, Switches, Batteries. T6B – Semiconductors: basic principles and applications of solid state devices, diodes and transistors. Ham College 132, titled “Technician Exam Questions Part 19,” focuses on topics T6A (Fixed and variable … Continue reading Ham College 132
  •  
  • ↗️
↗️

2026 NAQP contest

✇AmateurRadio.com
Par :Mike VE9KK
 The January NAQP is always a contest I look forward to. It starts at 2:00 PM local time, and my plan was to operate for about eight hours of the ten-hour event. This contest is always well attended, and with the maximum power limited to 100 wa...

💾

  •  
  • ↗️
↗️

ICQPodcast Episode 474 – New Radio Shack Additions

✇AmateurRadio.com
Par :Colin M6BOY

In this episode, we join Martin Butler M1MRB, Chris Howard (M0TCH), Frank Howell (K4FMH) and Leslie Butterfields (G0CIB) to discuss the latest Amateur / Ham Radio news. Colin Butler (M6BOY) rounds up the news in brief, and the episode's feature is New Radio Shack Additions.

We would like to thank our monthly and annual subscription donors for keeping the podcast advert free. To donate, please visit - http://www.icqpodcast.com/donate

💾

  •  
  • ↗️
↗️

Amateur Radio Weekly – Issue 403

✇AmateurRadio.com
Par :Cale K4HCK
Digital modes have already won Whatever your opinions about digital modes on HF the migration is undeniable. Pattern and Match LinHT: A Linux-based experimental SDR radio A beginner-friendly explanation of what LinHT is, how it works, and why Hams are talking about it. EvoHam The 52 Week Ham Radio Challenge – 2026 This is meant […]
  •  
  • ↗️