Solar radio observation
Specification of solar radio spectrograph | ||
YAMAGAWA radio spectrograph | Hiraiso radio spectrograph (HiRAS) | |
Frequency range | 70 – 9000 MHz | 25 – 2500 MHz |
Frequency resolution | 31.25 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 resolution | 8 msec. | About 1.5 sec. |
Polarization | RCP and LCP | RCP and LCP |
Observatory | Yamagawa Radio Observation Facility | Hiraiso Solar Observatory |
Location | N31.204 E130.617 | N36.369 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.