.
..
hsos_sbrs_1000mhz2000mhz_19990529_031752.fits
hsos_sbrs_1000mhz2000mhz_19990531_042541.fits
hsos_sbrs_1000mhz2000mhz_19990531_043404.fits
hsos_sbrs_1000mhz2000mhz_19990531_044404.fits