Solar radio observation

Specification of solar radio spectrograph
YAMAGAWA radio spectrographHiraiso radio spectrograph (HiRAS)
Frequency range70 – 9000 MHz25 – 2500 MHz
Frequency resolution31.25 kHz (70 – 1024 MHz)
1000 kHz (1024 – 9000 MHz)
HiRAS-1: 50 kHz (25 – 70 MHz)
HiRAS-2: 500 kHz (50 – 550 MHz)
HiRAS-3: 2000 kHz (500 – 2500 MHz)
Time resolution8 msec.About 1.5 sec.
PolarizationRCP and LCPRCP and LCP
ObservatoryYamagawa Radio Observation FacilityHiraiso Solar Observatory
LocationN31.204 E130.617N36.369 E140.622

Reference
Iwai, K. et al. OCTAD-S: digital fast Fourier transform spectrometers by FPGA, Earth, Planets and Space, Vol.69, Article id.95, 2017 for YAMAGAWA data.
Kondo, T. et al. THE HIRAISO RADIO SPECTROGRAPH (HiRAS) FOR MONITORING SOLAR DADIO BURSTS, Journal of the communications research laboratory, Vol.42, pp.111, 1995 for HiRAS data.

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