# (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: 2026-08-17 10:25:00 UTC
# D(km) MUF(MHz)
  0000   7.4
  0100   8.0
  0200   8.1
  0400   8.4
  0600   9.0
  0800   9.8
  1000  11.1
  1500  14.6
  3000  23.6
# Note: automatically scaled values, provided "as is".
# See http://ionosphere.meteo.be for more information.