Update #1: JASON-2 came out of Safe Hold Mode 05/22/2019 at ~0900Z. The first Jason-2 pass with usable products was 59049 starting at 1131Z.

Topic: No data was received from Jason-2 on Pass 57827, Jason-2 Satellite is in Safe Hold Mode.

Date Issued: May 22, 2019 1640Z

Product(s) or Data Impacted: Jason-2 OGDRs distributed via DDS and Class users.

Date/Time of Initial Impact: February 16, 2019 1456Z

Date/Time of Expected End: May 22, 2019 0900Z

Length of Event: 94 Days 19 hours

Details/Specifics of Change:

During Jason-2 Rev 57827 (AOS 151910Z), we received indications of Safe Hold Mode. After configuring into low bitrate and bringing up the command carrier, the operator sent JA2_TC_SAFE_MODE_RECOVERY_BEGINNING_part1 to the COP-1 AD side. We did not receive initflag condition indication prior to LOS, so will reaccomplish the SHM checklist during the next support (Rev 57828, AOS 171530Z) and command to the COP-1 BD side. TC groups for Part 1, Part 2, and Emergency Patch were successfully uplinked. Spacecraft is in Safe Mode, AOCS is in BBQP. We expect CNES direction to re-enable FDTM during next support (Rev 57829, AOS 191110).

Contact Information for Further Information: ESPCOperations@noaa.gov at 301-817-3880.


Web Site(s) for applicable information: N/A

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