SLR RIGA – 1884 INSTITUTE OF ASTRONOMY LATVIA UNIVERSITY SLR FALL WORKSHOP 2-7 OCTOBER HERSTMONCEUX K.LAPUSHKA
SATELLITE DAYTIME RANGING TELESCOPE SETTINGS. 1. MAIN APERTURE 800 mm RIGA-1884 LS SPACE FILTER 30 or 60 arcsec. 3.Interference filter 30 angstroms, nm, FWHM 4.Range window 4 usec 5.Window pre-setting 2 usec 6.FCC discriminator 160 mV 7.CFD discriminator 120 mV 8.H PMT voltage -900 V 9.Input beam splitting 50:50 10.FCC pulse width 10 nsec 11.PMT pulse amplitude -3.2 V max. 12.PMT pulse width 2.5 nsec FWHM
Telescope control and Data recording.
PMT IMAGE AMPLIFIER FIXED DICHROIC MIRROR RIGA LASER TELESCOPE PLANNED CHANGES LASER
INTERTECHNIQUE SITE TIES SITE RIGA LOCAL GPS SESSION. ASHTECH. GPS to SLR. d x = m dy = m dz = m LOCAL GPS SESSION. TRIMBLE. d x = m dy = m dz = m SESSION. TACHEOMETRE. SET d x = m dy = m dz = m