A modern, high-performance utility for amateur radio operators to visualize their logbook data on an interactive map.
The QSO Map Tool is a purely client-side web application designed to help Hams visualize their contacts. Whether you are analyzing your contest performance, checking your propagation reach, or simply admiring your logbook, this tool provides a beautiful and privacy-focused way to do it.
Processing happens entirely in your browser. No log data is uploaded to any server.
- Light Tech Theme: A sleek, modern aesthetic featuring a clean light background, Tech Blue accents, and Glassmorphism panels.
- Fully Responsive: Optimized for desktops, tablets, and mobile phones.
- High Performance: Handles large log files smoothly using advanced rendering techniques.
- Multi-Format Support: Load
.adi(ADIF),.cbr(Cabrillo), and.csv(SOTA/Generic) files. - Rich Layers:
- Geodesic Lines: Visualize the Great Circle path to each contact.
- Maidenhead Grids: Overlay 4-character and 6-character grid squares.
- Zones: Display CQ Zones and ITU Zones.
- Heatmaps: Generate global or per-band heatmaps to see activity hotspots.
- WAB/WAI: Specialized grids for Worked All Britain/Ireland.
- Zero Data Collection: Your log files stay on your device.
- No Tracking: No analytics, no cookies, no ads.
- Open the Tool: Visit the hosted page (or your local instance).
- Load Data: Click the Data button and select your log file.
- Tip: You can append multiple files to merge logs.
- Customize View: Use the Display menu to:
- Change the base map layer.
- Toggle lines, markers, and labels.
- Enable specific overlays (Grids, Zones).
- Analyze: Open the Stats menu to view detailed breakdown of your contacts by band, mode, and distance.
The project is built with standard web technologies, ensuring long-term compatibility and ease of hosting.
- Core: HTML5, CSS3 (Custom Properties), Vanilla JavaScript (ES6).
- Mapping Engine: Leaflet.js with plugins for heatmaps, geodesic lines, and grids.
- Styling: Custom CSS with Glassmorphism effects and responsive Flexbox/Grid layouts.
- Fonts: Orbitron (Headers) and Rajdhani (Body) from Google Fonts.
- Original Author: Ian Renton, MØTRT.
- DXCC Data: k0swe/dxcc-json.
- Map Layers: Thanks to HA8TKS for the Maidenhead and Zone logic.
This project is dedicated to the Public Domain. You are free to use, modify, distribute, and perform the work, even for commercial purposes, without asking permission.