# (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: 2025-04-18 20:25:00 UTC
# D(km) MUF(MHz)
  0000   7.0
  0100   7.6
  0200   7.7
  0400   8.0
  0600   8.5
  0800   9.2
  1000  10.3
  1500  13.3
  3000  21.0
# Note: automatically scaled values, provided "as is".
# See http://ionosphere.meteo.be for more information.