OBL: Open Beacon Locator

Human-readable location codes using distances to landmarks

2-Beacon: 150-FlRathaus-280-Hafenspitze-N
= Northernmost intersection of 150m circle around Flensburg Rathaus and 280m circle around Hafenspitze

3-Beacon: 120-FlRathaus-200-Hafenspitze-180-Nordermarkt
= Unique intersection of three distance circles (no direction needed)

Cross-District: 2500-SchleswigDom-3200-FlBahnhof-N
= Works across the entire Schleswig-Flensburg Kreis with 25+ landmarks

Examples:
  1. Click anywhere on the map to generate an OBL code for that location
  2. Try examples: Flensburg urban codes, Schleswig historic sites, Viking UNESCO sites, or cross-district codes
  3. Enter OBL codes in the input field to decode them back to map locations
  4. Coverage: 40+ landmarks across entire Schleswig-Flensburg Kreis
  5. Notice: 2-beacon codes use N/S/E/W flags to select intersection points, 3-beacon codes don't need flags
Click on the map to generate an OBL code