# (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: 2025-04-17 17:10:00 UTC # D(km) MUF(MHz) 0000 7.9 0100 8.5 0200 8.6 0400 9.0 0600 9.7 0800 10.6 1000 12.0 1500 15.9 3000 26.1 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.