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OpenHamClock — Free Amateur Radio Dashboard
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OpenHamClock is the original free, open-source, web-based ham clock and amateur radio operations dashboard created by Chris Hetherington, K0CJH. Visit openhamclock.com with JavaScript enabled for the full real-time experience.
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Live Ham Radio Data in One Dashboard
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OpenHamClock provides amateur radio operators with everything they need in a single browser window:
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+ - DX Cluster Spots — Live DX spots from DX Spider, HamQTH, and proxy feeds with band and mode filtering
+ - PSK Reporter — Real-time FT8, FT4, CW, and digital mode decodes via MQTT streaming
+ - Reverse Beacon Network (RBN) — CW and RTTY skimmer spots from worldwide receivers
+ - POTA Tracker — Parks on the Air activator spots with park details and frequencies
+ - SOTA Tracker — Summits on the Air activator tracking
+ - WWFF Tracker — World Wide Flora and Fauna activator spots
+ - Propagation Predictions — HF propagation via VOACAP and ITU-R P.533-14 models
+ - Band Conditions — Real-time HF band condition assessment
+ - Solar Indices — Solar flux index (SFI), sunspot number (SSN), K-index, and A-index
+ - Space Weather — NOAA X-ray flux, aurora activity, geomagnetic storm alerts
+ - MUF and foF2 Maps — Ionospheric maximum usable frequency and critical frequency layers
+ - WSPR Heatmap — Global WSPR propagation visualization
+ - Interactive World Map — Great circle paths, Maidenhead grid squares, day/night terminator, gray line
+ - Satellite Passes — Amateur radio satellite tracking with TLE orbital data
+ - DXpedition Tracker — Active and upcoming DXpeditions worldwide
+ - Contest Calendar — Upcoming amateur radio contests
+ - WSJT-X Integration — Live FT8/FT4 decode display from WSJT-X
+ - Rig Control — Frequency and mode display from connected transceivers
+ - QRZ/HamQTH Callsign Lookup — Instant operator information
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Works Everywhere
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OpenHamClock runs on any device with a modern web browser — Windows, Mac, Linux, Raspberry Pi, tablets, and phones. No installation required, no account needed, no subscription, and no ads. Just open openhamclock.com and start operating.
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The Original Ham Clock Web App
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OpenHamClock is the original web-based ham clock dashboard, developed and maintained by K0CJH. It serves over 9,000 daily active users from more than 130 countries, with 1,800 to 2,300 concurrent operators at peak times. The project has been featured on numerous amateur radio YouTube channels and is trusted by operators worldwide as their primary operating dashboard.
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OpenHamClock is proudly developed by CJH Lighting and the amateur radio community. For the full interactive experience, please enable JavaScript and visit openhamclock.com.
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