https://learn.microsoft.com/en-us/uwp/api/windows.devices.geolocation.geolocator.allowfallbacktoconsentlesspositions?view=winrt-28000
Geolocator.AllowFallbackToConsentlessPositions Method (Windows.Devices.Geolocation) - Windows apps...
Sets the Geolocator to use coarse location as a fallback option (see Remarks).
windows devicesgeolocatormethodgeolocationapps