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SLR-Report No.16857

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Date:2013-08-13 06:42:23
Sender:hanxw@cho.ac.cn
Subject:[SLR-Report] No.16857: Changchun Station New Log
Author:unknown
Content:--
= = = = = = = = = = = = = = = = = = = = = = = = =
联系人:韩兴伟
单 位:中国科学院国家天文台长春人造卫星观测站
地 址:吉林省长春市净月潭西山,130117
电 话:0431-81057989 或 13844189372
传 真:0431-81057878
E-mail:hanxw@cho.ac.cn
= = = = = = = = = = = = = = = = = = = = = = = = = =72371901 1 1992001 Baseline system configuration:
GDB49A detector(PMT), HP5370B counter, ND:YAD laser
1428A constant fraction discriminator, Az-El mount,
Rebidium frequency standard, Long wave receiver,
4013B camera
72371901 2 1993089 GPS receiver installed and TC454 replaced 1428A
72371901 3 1994001 preamplifier installed
72371901 4 1995001 CCD camera installed
72371901 5 1997214 repaired preamplifier used and short cable from
PMT to preamplifier
72371901 6 1997230 C-SPAD detector and PCS installed,new METS and new
survey
72371901 7 1997230 New GPS receiver replaced XR4-GPS
72371901 8 1998034 New driving system for mount
72371901 9 1999152 New encoder for tracking system
72371901 0 1999245 the system cable changed
72371901 1 1999254 C-SPAD out2 replaced out1
72371901 2 1999255 C-SPAD out1 replaced out2, returning signal cable changed
72371901 3 2000070 returning signal cable changed
72371901 4 2001156 C-SPAD out2 replaced out1
72371901 5 2001290 New C-SPAD replaced the old one, output: out1
72371901 6 2002079 HP58503A GPS receiver is replaced,
HP58503A GPS receiver was broken.
72371901 7 2002119 HP58503A GPS receiver is repaired,
HP58503A GPS receiver replaced XR4-GPS and
Rebidium frequency standard
72371901 8 2002176 New computer and software replaced the old one
72371901 9 2002195 New HP5370B replaced the old one
72371901 0 2005275 The Second channel of TC454 is used for start of HP5370B
72371901 1 2005290 All Cable replaced
72371901 2 2005292 The first channel of TC454 is connected to start of HP5370B
directly, the second channel removed
72371901 3 2005308 Software modified for timing system and cables of
the start and stop signal of HP5370B changed
72371901 4 2006096 Software modified for CPF
72371901 5 2006154 The system is re-adjusted,all mirrors are re-coated.
72371901 6 2006182 New servo and encoder
72371901 7 2006296 New controlling card and software,A032 event timer is used
72371901 8 2006319 start and stop cables are changed
72371901 9 2008146 New computer, new controlling hardware and software
72371901 0 2009202 new laser system
72371901 1 2009253 The last channel of TC454 is replaced by the third one,which is used for the input B of event timer A032-ET
72371901 2 2010271 the threshold of the third channel of TC454 is adjusted
72371901 3 2011234 The start and stop cables are changed
72371901 4 2012116 Test the new A033 enent timer and pulse distribution unit
72371901 5 2013115 Test the new near target.The target distance is 3.699m.
72371901 6 2013225 Change new GPS clock.Change new return cable.72371901 1 1992001 Baseline configuration
72371901 2 1993089 Xr4-GPS receiver, TC454 constant fraction discriminator
72371901 3 1994001 9301 preamplifier
72371901 4 1997230 C-SPAD, Xr4-GPS,HP Counter, Rubidium
72371901 5 1997230 HP58503A GPS time and frequency reference receiver
72371901 6 1999152 23-bit encoder and new code disk
73371901 7 2002079 XR4-GPS receiver and Rubidium
72371901 8 2002119 HP58503A GPS time and frequency reference receiver
72371901 9 2006182 24-bit encoder and digital servo
72371901 0 2006296 A032 event timer
72371901 1 2013225 Meridian Precision GPS TimeBase.

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