# (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: 2025-07-27 02:40:02 UTC # D(km) MUF(MHz) 0000 3.3 0100 3.9 0200 3.9 0400 4.1 0600 4.3 0800 4.6 1000 5.0 1500 6.3 3000 9.4 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.