# (c) Royal Meteorological Institute Belgium # Maximum Usable Frequency (MUF) at distance (D) # Ionosonde: DPS-4D, URSI code: DB049, coordinates: 50.1°N, 4.9°E # Most recent values as of: 2025-08-02 15:55:00 UTC # D(km) MUF(MHz) 0000 6.3 0100 6.9 0200 6.9 0400 7.1 0600 7.3 0800 7.7 1000 8.3 1500 9.9 3000 13.7 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.