Field-aligned irregularity (FAI) observation data of the ionosphere taken by the MU radar (GIF format)

2016-12-05 11:03:00

The time-height plots of signal-to-noise (SNR) of field-aligned irregularities (FAI) echoes in the E and F regions of the ionosphere between 75 km and 650 km. The data are taken by the MU radar at Shigaraki in Shiga Prefecture, Japan (34.86N, 136.11E, 385m MSL), which has been operated in the special observation mode of FAI. The file name is (year)(month)(day)_06.(observation parameter).snr.gif for the daytime (06-18 h) observation or (year)(month)(day)_18.(observation parameter).snr.gif for the nighttime (18-06 h) observation. The detailed information of observation parameters are described in the MU-FAI homepage. Local time (UT+09:00) is used for time data. The hight range of the SNR plot is common for each beam direction, but depends on each obervarion parameter. The beam direction (azimuth and zenith angles) is indicated on the upper side of each panel.

If you acquire MU radar data, we ask that you acknowledge us in your use of the data. This may be done by including text such as MU radar data provided by Research Institute for Sustainable Humanosphere of Kyoto University. We would also appreciate receiving a copy of the relevant publications.

Online

Open

GIF

P1D

34.856

34.856

136.106

136.106

75

650

date

Date in the form DD MMM, YYYY where DD = day of month (01-31), MMM = month of year (Jan, Feb,..., Dec) and YYYY = Gregorian Year AD.

time

Time in the form hh:mm where hh = hour of day (00-23) and mm = monite of hour (00-59). Local time (UT + 09:00:00) is used for time data.

altitude

Height (above the sea level)

km

84.45

670.00

az

Azimuth angle of radar beam

degree

ze

Zenith angle of radar beam

degree

SNR

Signal noise ratio

dB