# (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: 2026-05-18 17:05:02 UTC
# D(km) MUF(MHz)
  0000   6.9
  0100   7.5
  0200   7.6
  0400   7.9
  0600   8.5
  0800   9.3
  1000  10.4
  1500  13.7
  3000  22.2
# Note: automatically scaled values, provided "as is".
# See http://ionosphere.meteo.be for more information.