Datastream : NFOV2CH

Narrow Field of View-2 channel (NFOV2CH)

Active Dates
2004.09.16 - 2012.10.03

Measurement Categories
Radiometric

Originating Instrument
Narrow Field of View Zenith Radiometer (NFOV)

Measurements

Only measurements considered scientifically relevant are shown below by default.

Show all measurements

Measurement	Units	Variable
Altitude above mean sea level	m	alt
Base time in Epoch	seconds since 1970-1-1 0:00:00 0:00	base_time
Cosine solar zenith angle	unitless	cosine_solar_zenith_angle ( time )
Detector temperature	C	head_temp ( time )
North latitude	degree_N	lat
East longitude	degree_E	lon
Offset subtracted from 675nm radiance data	counts	offset_673nm
Offset subtracted from 870 nm radiance data	counts	offset_870nm
Quality check results on field: Cosine solar zenith angle	unitless	qc_cosine_solar_zenith_angle ( time )
Quality check results on field: Detector temperature	unitless	qc_head_temp ( time )
Quality check results on field: Calibrated zenith radiance, 673 nm	unitless	qc_radiance_673nm ( time )
Quality check results on field: Calibrated zenith radiance, 870 nm	unitless	qc_radiance_870nm ( time )
Quality check results on field: Raw counts from instrument before calibration, 673 nm	unitless	qc_raw_counts_673nm ( time )
Quality check results on field: Raw counts from instrument before calibration, 870 nm	unitless	qc_raw_counts_870nm ( time )
Quality check results on field: Time offset from midnight	unitless	qc_time ( time )
Quality check results on field: Tube temperature	unitless	qc_tube_temp ( time )
Shortwave spectral total downwelling irradiance Calibrated zenith radiance, 673 nm	W/m^2/nm/sr	radiance_673nm ( time )
Shortwave spectral total downwelling irradiance Calibrated zenith radiance, 870 nm	W/m^2/nm/sr	radiance_870nm ( time )
Raw counts from instrument before calibration, 673 nm	count	raw_counts_673nm ( time )
Raw counts from instrument before calibration, 870 nm	count	raw_counts_870nm ( time )
Time offset from midnight		time ( time )
Time offset from base_time		time_offset ( time )
Tube temperature	C	tube_temp ( time )