NASA will be performing network maintenance on Thursday, February 6, 2025, between 9:00 AM EST and 11:00 AM EST (14:00 to 16:00 UTC). There will be a few short periods of disruption. During these periods, the ILRS website will be unavailable. If you experience problems outside this window, contact support-cddis@nasa.gov.

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Station Operations

ILRS Tracking Stations range to a constellation of approved satellites (including the Moon), contained in a list of satellites compiled and approved by the ILRS Governing Board, through the use of state of the art laser tracking equipment and data transmission facilities which allow for a rapid (at least daily) data transmission to one or more Operations and/or Data Centers. Stations in the ILRS network must follow ILRS requirements for tracking, setting priorities, and flowing data to the users.


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