# (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: 2026-04-03 11:15:01 UTC
# D(km) MUF(MHz)
  0000   6.4
  0100   7.0
  0200   7.1
  0400   7.3
  0600   7.8
  0800   8.4
  1000   9.3
  1500  11.9
  3000  18.6
# Note: automatically scaled values, provided "as is".
# See http://ionosphere.meteo.be for more information.