Space Weather Message Code: SUMX01 Serial Number: 152 Issue Time: 2024 May 11 1230 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2024 May 11 1115 UTC Maximum Time: 2024 May 11 1144 UTC End Time: 2024 May 11 1205 UTC X-ray Class: X1.5 Optical Class: 2b Location: S22W44 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strong ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 378 Issue Time: 2024 May 11 1138 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2024 May 11 1131 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 151 Issue Time: 2024 May 11 0144 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2024 May 11 0110 UTC Maximum Time: 2024 May 11 0123 UTC End Time: 2024 May 11 0139 UTC X-ray Class: X5.8 Optical Class: 2b Location: S19W45 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strong ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 377 Issue Time: 2024 May 11 0120 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2024 May 11 0115 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 376 Issue Time: 2024 May 10 1411 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2024 May 10 1407 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 150 Issue Time: 2024 May 10 0740 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2024 May 10 0627 UTC Maximum Time: 2024 May 10 0654 UTC End Time: 2024 May 10 0706 UTC X-ray Class: X3.9 Optical Class: 3b Location: S15W36 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strong ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 375 Issue Time: 2024 May 10 0644 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2024 May 10 0641 UTC NOAA Scale: R2 - Moderate NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact centered on sub-solar point on the sunlit side of Earth. Extent of blackout of HF (high frequency) radio communication dependent upon current X-ray Flux intensity. For real-time in ...Continue Reading

SB KEPS @ AMSAT $ORB24131.1 2Line Orbital Elements 24131.AMSAT QST de W1STR AMSAT Orbital Elements for Amateur Satellites in TLE Format From Orbital Analysis Office New England Sci-Tech STEM Education Center Natick, MA May 10, 2024 To all radio amateurs These element sets describe the orbits of various satellites in use by the amateur radio community. For details see: www.amsat.org/keplerian-elements-formats/ A daily update of element sets is available at: www.amsat.org/tle/daily-bulletin.txt or without ...Continue Reading

The following satellite has been removed from this week's AMSAT-NA TLE distribution: Changshagaoxin NORAD Cat ID 43669 Decayed from orbit on or about 09 May 2024 Kaden Golda KW1CDR Deputy Assistant Orbital Analyst in Training Keps mailing list -- keps@amsat.org View archives of this mailing list at https://mailman.amsat.org/hyperkitty/list/keps@amsat.org To unsubscribe send an email to keps-leave@amsat.org Manage all of your AMSAT-NA mailing list preferences at https://mailman.amsat.org ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 149 Issue Time: 2024 May 09 1809 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2024 May 09 1723 UTC Maximum Time: 2024 May 09 1744 UTC End Time: 2024 May 09 1800 UTC X-ray Class: X1.1 Location: S19W30 NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the sunlit side of Earth, strongest at the sub-sola ...Continue Reading