4 ms·
iiuc, this is differential GPS (DGPS) and not only airports are doing that. At least in Europe there are quite a few such transmitters, see https://de.wikipedi
by guenthert 2mo ago
iiuc, this is differential GPS (DGPS) and not only airports are doing that. At least in Europe there are quite a few such transmitters, see https://de.wikipedia.org/wiki/Liste_von_DGPS-Sendern https://de.wikipedia.org/wiki/Liste_von_DGPS-Sendern