CHARACTERISTIC OF SYSTEM
SLR STATION 7811

• LASER: Nd YAG - CONTINUUM PY-62
  • color: green (532 nm);
  • repetition rate: 10 Hz;
  • max pulse energy: 100 mJ;
  • pulse width: 40 ps;
  • divergence: 0.4 mrad;

• MOUNT : Az-El computer controlled
  • tracking: step by step;
  • tracking possibility: low satellites, LAGEOS, GLONASS;
  • encoder resolution: 1.8 arc sec
  • laser in Coude;

• RECEIVER: Cassegrain
  • diameter: 60 cm;
  • diameter of secondary mirror: 20 cm;
  • field of view: 5 arc min

• GUIDE TELESCPOE: Maksutov
  • diameter: 20 cm
  • field of view: 1 degree
  • camera CCD

• PHOTOMULTIPLIER: HAMAMATSU H5023

• TIME INTERVAL COUNTER: STANFORD SR620

• DISCRIMINATOR: TENNELEC 454

• TIME BASE
  • GPS Time Receivers TTS-3;
  • Cesium Frequency Standard HP5071A;
  • epoch registration accuracy: 100 ns;

• CALIBRATION
  • external;
  • pre and post;

• PRECISION OF THE SYSTEM: ± 5 mm

• OVERALL ACCURACY OF THE SYSTEM: ± 20 mm

• SOFTWARE
  • Real Time tracking;
  • IRVINT predictions;
  • post pass data handling;
  • calibration;
  • stars tracking and mount errors model determination;
  • language: C, Fortran;

• OPERATING STAFF: single operator.