Much of Finland and Estonia are currently being jammed per https://gpsjam.org/?lat=58.53948&lon=24.82400&z=4.9&date=2025-03-08 https://gpsjam.org/?lat=58.53948&

Much of Finland and Estonia are currently being jammed per https://gpsjam.org/?lat=58.53948&lon=24.82400&z=4.9&date=2025-03-08 https://gpsjam.org/?lat=58.53948&lon=24.82400&z=4.9&date=202... Finland is reintroducing DME: https://www.reuters.com/business/aerospace-defense/three-finnish-airports-mitigate-russian-gps-interference-with-radio-navigation-2024-11-07/ https://www.reuters.com/business/aerospace-defense/three-fin... Which seems to be a different concept from LORAN, but still useful for navigation when multiple base stations are in range. https://en.wikipedia.org/wiki/Distance_measuring_equipment https://en.wikipedia.org/wiki/Distance_measuring_equipment