# (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: 2026-04-16 19:40:00 UTC
# D(km) MUF(MHz)
  0000   6.1
  0100   6.7
  0200   6.7
  0400   7.0
  0600   7.5
  0800   8.1
  1000   9.1
  1500  11.8
  3000  18.8
# Note: automatically scaled values, provided "as is".
# See http://ionosphere.meteo.be for more information.