ASCOS expedition 2008, Erythermal UV radiation,
measured with a NILU-UV multibandfilterradiometer (MBFR, NILU Products AS, Norway).
The instrument has five channels with nominal center wavelengths at 305, 313, 320, 340, and 380 nm, and an additional channel (400-700 nm) for the measurement of photosynthetically active radiation. Instrument location: icebreaker Oden, 7th deck, on the roof of the meteorological/sounding container.