Update #1 (Final Update): Alaska 4 has returned to normal operations.
Topic: SARSAT Alaska 4 Low Earth Orbit (LEO) Ground Station Offline
Date/Time Issued: February 13, 2022 2026Z
Product(s) or Data Impacted: SARSAT alert data
Date/Time of Initial Impact: February 11, 2022 1227Z
Date/Time of Expected End: February 11, 2044Z
Length of Outage: 8 hours and 17 minutes
Details/Specifics of Change: The Alaska 4 (AK4) LEO Ground Station located in Fairbanks, AK has missed consecutive passes. The maintenance vendor has previously reported an intermittent azimuth antenna issue that's related to the low temperatures in Fairbanks, AK.
Impact: Minor-Dual satellite tracking capability lost. Distress alert detection/reporting may be delayed.