🌐 Open HamClock Backend (OHB) ⚡ Version 4.29 Ready

9M2PJU HamClock Installer

The premier open-source space weather, radio propagation, VOACAP modeling, satellite tracking, and telemetry dashboard for amateur radio operators worldwide.

curl -fsSL https://raw.githubusercontent.com/9M2PJU/9M2PJU-HamClock-Installer/main/install.sh | bash
🚀 Universal Installer: Auto-detects Linux (Debian, Ubuntu, Raspberry Pi OS, Arch, Fedora), macOS (Apple Silicon & Intel), and FreeBSD.
9M2PJU HamClock with Open HamClock Backend (OHB)

Engineered for Radio Amateurs

Real-time solar data, dynamic VOACAP HF propagation, on-air QSO maps, satellite tracking, and shack automation.

📱

Android & Termux Touch Clock

Turn spare Android phones and tablets into permanent, low-power (<3W) shack touch clocks via Termux. Open with Fully Kiosk Browser for auto-fit edge-to-edge full screen.

🌐

Open HamClock Backend (OHB)

Hardcoded directly to ohb.hamclock.app:80. Seamless data streaming without /etc/hosts workarounds or legacy CSI server downtime.

🧭

Antenna Rotator Control

Full 1-axis (Azimuth) and 2-axis (Az/El) antenna rotator tracking via Hamlib rotctld. Auto-turn to DX bearing and real-time satellite tracking.

📻

Transceiver CAT Integration

Connects to your rig with rigctld or flrig. Auto-switches VOACAP propagation bands as you turn your VFO, with Click-to-Tune (QSY) from DX spots.

📡

Satellite Orbit Predictions

Live satellite ground tracking (ISS, AO-91, RS-44, IO-117) with Doppler-shifted frequency telemetry, pass azimuth/elevation timers, and sky tracks.

☀️

NOAA Space Weather & SDO

Live Solar Flux Index (SFI), Sunspot Number (SSN), Planetary K-index, Solar Dynamic Observatory (SDO) multi-wavelength imagery, and Aurora ovals.

📜

ADIF Live Log Ingestion

Receive real-time UDP QSO broadcasts from WSJT-X, N1MM Logger+, and Log4OM, rendering on-air contacts instantly as glowing pins on the world map.

📱 Android Shack Display

HamClock on Android (Termux & Fully Kiosk)

Transform any spare Android phone, tablet, or TV box into a dedicated, low-power (<3W) shack touch clock running natively via Termux and displayed in borderless edge-to-edge full screen with Fully Kiosk Browser.

HamClock running on Android Phone using Termux with Fully Kiosk Browser

📐 Four Scaled Resolutions

Bespoke, razor-sharp vector/bitmap scaling pre-compiled for any display or remote device.

800 × 480

Standard Definition

Ideal for 5"–7" Raspberry Pi touchscreens, mobile browsers, and compact kiosk builds.

1600 × 960 ⭐

Full HD Recommended

The sweet spot for desktop monitors, iPads, tablets, and shack dashboard screens.

2400 × 1440

2K Quad HD

Stunning crispness for high-DPI computer monitors and wide shack control screens.

3200 × 1920

4K Ultra HD

Maximum detail for large 4K televisions, club station dashboards, and emergency ops centers.

🕊️ In Memoriam

Elwood Downey, WB0OEW (Silent Key - SK)

HamClock was conceived and brought to life by **Elwood Downey (WB0OEW)** under the banner of Clear Sky Institute. An accomplished astronomer and software architect (author of *XEphem*), Elwood gifted the amateur radio world this masterwork of space science and radio propagation telemetry.

"His signals continue to propagate across the globe. 73 OM, de Open HamClock Community."