# (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: 2025-07-02 00:55:02 UTC # D(km) MUF(MHz) 0000 5.7 0100 6.3 0200 6.3 0400 6.6 0600 6.9 0800 7.5 1000 8.3 1500 10.5 3000 16.3 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.