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- W772025506 abstract "In August 2003 James Webb Space Telescope (JWST) had its Initial Review Confirmation Assessment Briefing with NASA HQ management. This is a major milestone as the project was approved proceed from Phase A B, and NASA will commit funds for the project towards meeting its science goals from the Earth-Sun s Lagrange 2 (L2) environment. At this briefing, the Project was asked, to take another into using, the JPL s Deep Space Network (DSN) as the provider of ground stations and evaluate other ground station options. The current operations concept assumes S-band and X-band communications with a daily &hour contact using the DSN with the goal of transmitting over 250 Gigabit (Gb) of data the ground. The Project has initiated a trade study look at this activity, and we would like share the result of the trade in the conference. Early concept trades tends focus on the normal operation mode of supporting telemetry (science and engineering), command and radio metrics. Entering the design phase, we find that we have the unique ranging requirement for our L2 orbit using alternating ground stations located in different hemispheres. The trade must also address emergency operations (which are covered when using the DSN). This paper describes the issues confronting this Project and how the DSN and the JWST Project are working together find an optimized approach for meeting these issues. We believe this trade is of major interest for future Code S and other L2 missions in that JWST will set the standard." @default.
- W772025506 created "2016-06-24" @default.
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- W772025506 date "2004-01-01" @default.
- W772025506 modified "2023-09-25" @default.
- W772025506 title "James Webb Space Telescope Ka-Band Trade" @default.
- W772025506 hasPublicationYear "2004" @default.
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