Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange...
Transcript of Concept(fora Geodec (andTime Reference(in(Space((GETRIS)( · planets, planetary missions, Lagrange...
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Concept for a Geode.c and Time Reference in Space (GETRIS)
Anja Schlicht, Urs Hugentobler, Monika Ste8er, Wolfgang Schäfer
Technische Universität München
funded by the European Space Agency (4000103328/2011/NL/WE) 1
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Synergy
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Synergy
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Sun et al. Optics Express 21 (2013) 1865
Puls PosiOon ModulaOon
Kirchner et al. ConTEL 2011
SLR
ELT
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Ranging: GNSS
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LEO orbit 2 cm accuracy 1,5 mm relaOve precision
inter –satellite link
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wikipedia
Time reference
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European Data Relay System (EDRS)
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Data rate: up to 1,8 Gbit/s GEO-‐LEO two-‐way phase modulated
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GETRIS concept
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GGOS staOon in space
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Field of applicaOons
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DORIS and distribuOon of Ome
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Atmospheric sounding
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GGOS staOon in space and on ground
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data transfer
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Going into space
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Win-‐Win-‐SituaOon
ILRS, GGOS offer to ESA can be: • a validated survey of Galileo clocks in precision and accuracy and precise orbits of Galileo satellites from staOons with a well observed troposphere
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• Data up/down link for early warning massages or even scien.fic data
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Thank you very much!
The view in this talk can in no way be taken to reflect the official opinion of the European Space Agency.
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