# (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: 2025-10-17 12:40:00 UTC # D(km) MUF(MHz) 0000 12.5 0100 13.1 0200 13.2 0400 13.8 0600 14.8 0800 16.1 1000 18.1 1500 23.8 3000 38.4 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.