# (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: 2026-06-30 02:55:02 UTC # D(km) MUF(MHz) 0000 6.6 0100 7.2 0200 7.3 0400 7.6 0600 8.0 0800 8.6 1000 9.5 1500 12.2 3000 18.8 # Note: automatically scaled values, provided "as is". # See http://ionosphere.meteo.be for more information.