broad-band: irrad_Kipp.data ppfd_BF.data ppfd_LICOR.data
gap-mspct: gap.mspct
sun-hourly-spct: sun_hourly_august.spct sun_hourly_june.spct
sun-may-morning-spct: sun_may_morning.spct
sun-reference-mspct: sun_reference.mspct
