CDF data of cosmic noise absorption measured with the 30MHz broadbeam riometer at Kapuskasing, Canada.

2017-06-01 00:00:00

Cosmic Noise Absorption (CNA) measured at 1-sec intervals with the 30MHz broadbeam riometer at Kapuskasing, Canada. The data are distributed in the Common Data Format (CDF).

Riometer Data. PI: Kazuo Shiokawa and Shinichiro Oyama, Institute for Space-Earth Environmental Research, Nagoya University, Furo-cho, Chikusa-ku, Nagoya, Aichi 464-8601, Japan. Rules of the Road for OMTI ASI Data Use: 1. Please contact the Principal Investigator (PI), K. Shiokawa (shiokawa at isee.nagoya-u.ac.jp) or S. Oyama, ISEE, Nagoya University before using the data at any publications and/or presentations. 2. Please cite Shiokawa et al. (1999) and/or Shiokawa et al. (2009) in the publication. The detailed citation is: * Shiokawa et al., Earth Planets Space, 51, p.887-896, 1999. * Shiokawa et al., Earth Planets Space, 61, p.479-491, 2009. For more information, see http://stdb2.isee.nagoya-u.ac.jp/omti/

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CDF

49.39

49.89

48.89

277.82

276.32

277.32

Epoch for the cna data

epoch_1sec

time label in CDF_EPOCH (the number of milliseconds since 01-Jan-0000) for the cna data. All time values are in the universal time.

millisecond

Cosmic Noise Absorption (CNA)

cna

CNA values at 30 MHz measured with 8x8-element Imaging Riometer.

PT1S

decibel (dB)

Quiet-Day Curve (QDC)

qdc

QDC values derived at 1-min resolution for the 8x8-element Imaging Riometer.

PT1M

decibel (dB)

Azimuth angle of each antenna beam

azimuth_angle

degree

Zenith angle of each antenna beam

zenith_angle

degree

Geographic latitude of each antenna beam center at D-region altitude

glat_beam

degree

Geographic longitude of each antenna beam center at D-region altitude

glon_beam

degree