Rayfall: QRZ Logbook Map Viewer

Rayfall is a dynamic ham radio mapping interface that pulls your logbook data from QRZ and plots your QSOs on an interactive Leaflet map. You can explore contacts by date range, filter by band and mode, and visually analyze your contacts across different locations and timeframes.

Built by N2CLW

Available at rayfall.me

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Features

• Interactive Leaflet Map
• Multiple import methods:
  • QRZ API integration (supports multiple logbooks)
  • ADI/ADIF file import (no API key required!)
• Date range selection
• Color-coded pins by band or by QTH
• Multi-QTH support: logs that span multiple locations (travel, POTA, Field Day) get a separate marker per QTH, plus a QTH filter row and per-QSO "From QTH" info
• Customizable display options:
  • Multiple pin icon styles (teardrop, circle, square, star)
  • QTH station icons: clean shapes (dot, plus, square, signal) or emoji, with a color picker and optional grid label
  • Custom grid square colors and opacity
  • Multiple basemap styles
  • Optional on-map legend for band/QTH colors
• Grid square overlay with 4/6-character precision
• Map lines from each QTH to its QSOs (toggle on/off)
• Filter QSOs by band, mode, or originating QTH
• High-resolution map export (300 DPI for printing), with an optional Select Export Area to crop the capture to exactly the region you drag out
• KML export — open your QTHs, contacts, and QSO paths in Google Earth for a free-zoom overview of a whole-world log
• Share & embed — publish a read-only snapshot link (rayfall.me/m/...), embed the live map in forums or websites with an iframe, or download the preview image for your QRZ page
• Hide Controls — collapse the whole header so the map fills the window (great on notebook screens)
• Auto-reads your QTH(s) from log data (MY_GRIDSQUARE, MY_LAT/MY_LON)
• Works offline with ADI files — import, map, and export (JPEG/KML) without an internet-dependent backend

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Screenshot

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Installation

Prerequisites

• Python 3.11+
• pip
• Git

1. Clone the Repository

git clone https://github.com/moose25/rayfall.git
cd rayfall

2. Set Up a Virtual Environment

python3 -m venv venv
source venv/bin/activate  # On Windows: venv\Scripts\activate

3. Install Dependencies

pip install -r requirements.txt

Note: Required packages include FastAPI, uvicorn, and Jinja2. You can also install them manually:

pip install fastapi uvicorn jinja2

4. Start the Server

uvicorn main:app --reload

This starts the server locally at: http://127.0.0.1:8000

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Usage Instructions

Getting Started

New users? Click the "📖 How to Use Rayfall" button (top-right) for interactive tutorials!

Method 1: QRZ API (Online)

1. Visit http://127.0.0.1:8000 in your browser.
2. Click the "Change API Key" button in the top-right.
3. Paste in your QRZ Logbook API key and click Save.
4. Choose a start and end date and click Load from QRZ.
5. Filter contacts by band/mode and customize display options.

Method 2: ADI File Import (Offline)

1. Visit http://127.0.0.1:8000 in your browser.
2. Click "Import ADI File" and select your .adi or .adif file.
3. Your QSOs load instantly - no API key needed!
4. Filter contacts by band/mode and customize display options.

See QUICK_START_ADI.md for detailed ADI import guide.

Display Customization

Click the "⚙️ Display Options" button to access:

• Map Style: Light, Dark, Topographic, Satellite, Streets
• QTH Icon: Clean shapes (Dot, Plus, Square, Signal) or emoji, with a color picker and optional grid label under each marker
• Color Pins by QTH: color every contact by the QTH it was made from (great for multi-location trips)
• Pin Style: Teardrop, Circle, Square, or Star markers
• Grid Squares: Custom colors, opacity, and precision (4 or 6 chars)

All contacts with grid squares or lat/lon information will be plotted. Need more room for the map? ⏶ Hide Controls (top-right) collapses the header; the floating ⚙️ Show Controls chip brings it back.

Exporting & Sharing

• Export Map (300 DPI) downloads a print-ready JPEG of the current view. Use 📐 Select Export Area first to drag out exactly the region you want captured.
• 🌍 Export KML downloads your QTHs, contacts, and QSO paths (colored per QTH) for Google Earth — ideal for browsing a whole-world log at any zoom level. Respects your active filters and works offline.
• 🔗 Share Map publishes a read-only snapshot with a link, an iframe embed code, and a downloadable preview image (handy for QRZ pages, which block iframes).

Need Help?

The "📖 How to Use Rayfall" button provides:

• Step-by-step setup instructions
• ADI import guide for all major logging software
• Display customization tutorials
• Filtering and export tips
• Pro tips for advanced usage

✅ You can switch logbooks anytime by clicking the API Key button again.

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QRZ API Key Info

Rayfall does not store your API key on a server. Instead:

• It saves it to localStorage in your browser.
• The backend reads the key from request headers.
• No secret is ever exposed in the source code.

🔐 This makes it safe to share or host this code publicly.

To generate a QRZ Logbook API Key:

1. Go to https://logbook.qrz.com/
2. Click on Settings > API
3. Copy your unique API key

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Customization

Change the Default Map Location

Rayfall centers on VA by default. Once a valid log is loaded, it updates to your actual QTH using the first valid MY_LAT/MY_LON (or the centre of MY_GRIDSQUARE) from the log. Logs that span multiple QTHs will show one marker per location.

If you'd like to hardcode a default starting location, edit:

map = L.map('map').setView([XXX, XXX], 4);

Styling

Edit the styles directly in the <style> block inside index.html. All controls and map elements can be styled using standard CSS.

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Directory Structure

rayfall/
├── main.py                 # FastAPI backend (QRZ proxy, share/embed API, previews)
├── render_preview.py       # Headless share-preview renderer (optional, needs Playwright)
├── templates/
│   └── index.html          # Frontend map UI (all CSS/JS lives here)
├── static/                 # Logo, marker, and preview images
├── data/                   # Created at runtime: shares DB + cached previews (gitignored)
├── requirements.txt        # Python dependencies
└── README.md               # You're reading this

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Contributing

Pull requests and forks are welcome! If you find a bug or want to suggest a feature, feel free to open an issue or PR.

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License

This project is open source and available under the MIT License.

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Created by

Chris Williams (N2CLW)

• qrz.com/db/N2CLW
• github.com/moose25

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73 and happy DXing!