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FSW Requirement 5.2.1.3.3 (prev, next)


Req. 5.2.1.3.3: "Science Data Packet Format"

The FSW shall format data into CCSDS telemetry packets tagged with application IDs (APIDs) in the same manner as the CTDB telemetry, as specified in [7].

Basis (help)

[1] (3.1.2.5.1.1), [2] (3.2.5.4.6), [3] (5.3.3)

    1: "Mission System Spec." (NASA 433-SPEC-0001)

      3.1.2.5.1.1: "Packetized Data"

      All instrument data shall be compliant with CCSDS Packet Telemetry Recommendations as defined in Series 100 Blue Books.

    2: "LAT Instrument - Spacecraft Interface Requirements Doc." (NASA 433-IRD-0001)

      3.2.5.4.6: "Packet Format"

      All LAT science data transferred over the high rate bus shall be CCSDS Source Packets as defined in the Packet Telemetry Blue Book.

    3: "LAT Performance Spec. - Level II(b) Spec." (LAT-SS-00010)

      5.3.3: "Science Data Interface {SI/SC IRD 3.2.6.1}"

      The SI shall output science data to the spacecraft via a MIL-STD-1553 data bus interface as specified in the SI/SC IRD.

    7: "GLAST 1553 Bus Protocol Interface Control Doc." (1196 EI-S46310-000)

Context (help)

Test(s)

    004: Wideband Telemetry Verification

    This test shall verify the correct formatting of events and associated supporting data, followed by transmission through the external LAT interface in a form that may be correctly decoded.