🚢 Route
🌤️ Weather
🐦 Bird List
Setup Required
📝 Saved Checklists
TernTracker HK v1.1.0
Developed for Fieldwork Data Collection by John Chung
For Internal Use Only • Last Updated: Jun 2026
📋 View Change Log
v1.1.0 (Latest Update)
- Feature: Interactive Beaufort Wind Scale (tap row to auto-fill).
- Feature: Checklists in editing mode are now autosaved whenever texts are typed in.
- Fix: 'Discard Changes' now properly restores previous data.
- Fix: Added validation to prevent saving checklists with missing Route/Area data.
⚠️ Data Storage Disclaimer: All survey data is stored locally on this device. Clearing your browser history/cache will permanently delete your records. The developer is not responsible for lost data. Please export your data regularly.
Beaufort Wind Scale
| Force | Speed (km/h) | Description |
|---|---|---|
| 0 | < 2 | Calm |
| 1 | 2 - 6 | Light |
| 2 | 7 - 12 | Light |
| 3 | 13 - 19 | Moderate |
| 4 | 20 - 30 | Moderate |
| 5 | 31 - 40 | Fresh |
| 6 | 41 - 51 | Strong |
| 7 | 52 - 62 | Strong |
| 8 | 63 - 75 | Gale |
| 9 | 76 - 87 | Gale |
| 10 | 88 - 103 | Storm |
| 11 | 104 - 117 | Storm |
| 12 | ≥ 118 | Hurricane |
🔄 Restore Backup File
Select your saved backup file (`.json`) from your device storage.