Seasonal and Local Time Variations of E-Region Field-Aligned Irregularities Observed with 30.8-MHz Radar at Kototabang, Indonesia
Range-time-SNR plot of the E-region Field-Aligned Irregularity (FAI) observed on beams with azimuth 125.8°, 153.0°, 180.0°, 207.0° and 234.2° (top to bottom panels) with the 30.8 MHz radar at Kototabang, Indonesia on July 29, 2007. Left vertical axis shows the range from the radar and the right axis shows the altitude at which the radar beam is perpendicular to the geomagnetic field.
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