Update #1: The SMD PBK for the revs listed below has been recovered.

Topic: Delayed data for N21 contacts October 31, 2024 1152Z through 1333Z

Date/Time Issued: October 31, 2024 2141Z

Product(s) or Data Impacted: All N21 SMD Products for N21 contacts between October 31, 2024 1152z and October 31, 2024 1333z

Date/Time of Initial Impact: October 31, 2024 1152Z J/Day 305

Date/Time of Expected End: October 31, 2024 2025Z J/Day 305

Length of Outage: 9 Hours 27 Minutes

Details/Specifics of Change: Due to antenna tracking issues, the data from the following contacts was delayed: N21 SVL Rev 10232 (AOS 1152z), N21 TRL Rev 10232 (AOS 1252z) and N21 SVL Rev 10233 (AOS 1333z).

The SMD PBKs for these contacts had numerous gaps and had to be played down again from the spacecraft. The initial observation times for the missing data covered JD305/1101z to JD305/1255z. At this time the data from

JD305/1101z to JD305/1230z has been recovered and the tracking issue has been resolved.

Contact Information for Further Information: ESPC Operations at ESPCOperations@noaa.gov at (301)817-4799.

Web Site(s) for Applicable Information: N/A

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