NSGF Website

NERC Space Geodesy Facility, Herstmonceux
ILRS Fall 2005 Workshop


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  Wednesday



9:00
  Signal Processing  Chairs:   T. Otsubo & G. Appleby
  • Could signal processing
    techniques provide 1 mm observations for current satellites?
  • How do we design new satellites for 1 mm ranging accuracy? What prelaunch
    measurements are essential? Do you really need prelaunch measurements?
  • Long pulses (100 ps), short pules (10 ps) - what is the
    trade off and how do we optimize the choice?
  • Does a satellite's centre of mass correction vary between stations?
  • What would analysts want in terms of making a centre of mass correction?
  • Have stations preformed  any experiments observing at high and low energies and found any changes in range measurements?
  • What variations in return energy do stations experience during operation?
  • How do systems monitor and control their return energy?
  • What is the experience of single photon systems?
  • Link project energy calculations
  • Energy Variation of Detectors
Agenda
  (15-20 min) Opening & Station dependent CoM (G M Appleby)
  (20-25 min) Range Bias vs Intensity 2005 (T Otsubo)
  (10-15 min each) High-low test reports
                   7090 Yarragadee (R Carman)
                   7358 Tanegashima (T Uchimura; read by T Otsubo)


10:30 Tea Break

11:00
  Signal Processing (cont.)

Agenda
  (10-15 min each) High-low test reports (cont.)
                   7810 Zimmerwald (W Gurtner)
                   7825 Mt Stromlo (J Luck)
                   7840 Herstmonceux (?)
                   More stations?
                   Discussions
  (10 min) CoM info at ILRS website (G M Appleby)
  (10 min) Russian Zero-Signature Satellite (V Vasiliev?)
  (15 min) Hollow Retroreflectors (D Arnold)
  (15 min) Thermal behaviour of LAGEOS-type CCRs (G O Delle Monache)


12:30 Lunch

13:30 Restricted Tracking  Chairs:   D. Carter & H. Kunimori
  • How will stations operate under restricted tracking?  What are the criteria that a station must meet to be allowed to observe certain satellites?  What is the experience of stations currently operating under restricted tracking?  What information needs to be shared between stations and the mission controllers? 
14:30  Control Files  Chairs:   W. Gurtner & G. Kirchner
  • What progress has been made with the Engineering Data File?  What can stations do to aid its implementation?
  • What are the developments and aims in the use of XML?
  • How has the timebias file changed? How will this improve the data from the network?
  • How will the new GO-NOGO file be used? When before a pass should the file be checked?  Could the file be checked continuously?

15:30
End



19:00 Visit to the NSGF in Herstmonceux
  • Tour of the NERC Space Geodesy Facility
  • Reception at the Science Centre