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THEMIS MISSION PRE-ENVIRONMENTAL REVIEW PCA EGSE David Curtis University of California - Berkeley

THEMIS MISSION PRE-ENVIRONMENTAL REVIEW PCA EGSE David Curtis University of California - Berkeley. PCA EGSE. The PCA EGSE interfaces to the THEMIS probes when they are on the Probe Carrier JPL, ASO, Launch Pad (Blockhouse)

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THEMIS MISSION PRE-ENVIRONMENTAL REVIEW PCA EGSE David Curtis University of California - Berkeley

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  1. THEMIS • MISSION PRE-ENVIRONMENTAL REVIEW • PCA EGSE • David Curtis • University of California - Berkeley

  2. PCA EGSE • The PCA EGSE interfaces to the THEMIS probes when they are on the Probe Carrier • JPL, ASO, Launch Pad (Blockhouse) • Harnessing connects the PCA EGSE to individual probes, the PCA, or the blockhouse connectors • The PCA EGSE uses an existing Umbilical Rack to provide power (battery charging) and monitor the probe discretes (one probe at a time) • PCA EGSE Includes Battery over-charge protection • The PCA EGSE includes a PTP and ITOS workstation to provide command and telemetry interface to a selected probe • The PCA EGSE can be run remotely from the MOC • Important for launch day

  3. PCA EGSE Probe A Probe B Probe C Probe D Probe E PCA Launch Tower Harness (or Launch Tower Sim Harness) Blockhouse Interface Blockhouse Harness PCA EGSE Umbilical EGSE remote monitors PTP TCP/IP to MOC ITOS

  4. PCA EGSE

  5. PCA EGSE STATUS • PCA EGSE is built and tested • Software is complete • except for software backup of battery over-charging protection • Has been tested with probes at UCB • Will be tested with PCA at JPL prior to installation of probes • Safe to mate • First end to end test including blockhouse harness

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