Space Weather Message Code: ALTEF3 Serial Number: 3621 Issue Time: 2026 Feb 07 1418 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Feb 07 1340 UTC Station: GOES18 Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or update the personal information in your account, go to the Product ...Continue Reading

This week there are no additions or deletions to the AMSAT TLE distribution. 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

SB KEPS @ AMSAT $ORB26037.1 2Line Orbital Elements 26037.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 February 06, 2026 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 wit ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 211 Issue Time: 2026 Feb 04 1239 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Feb 04 1202 UTC Maximum Time: 2026 Feb 04 1213 UTC End Time: 2026 Feb 04 1218 UTC X-ray Class: X4.2 Optical Class: na Location: N14E04 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: 520 Issue Time: 2026 Feb 04 1212 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 04 1209 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: ALTEF3 Serial Number: 3620 Issue Time: 2026 Feb 04 0927 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3619 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 10480 pfu Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscription Service. If you would like to remove a product subscription or upda ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 519 Issue Time: 2026 Feb 03 1458 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 03 1455 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: 210 Issue Time: 2026 Feb 03 1428 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Feb 03 1358 UTC Maximum Time: 2026 Feb 03 1408 UTC End Time: 2026 Feb 03 1418 UTC X-ray Class: X1.5 Location: N14E14 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

Space Weather Message Code: ALTXMF Serial Number: 518 Issue Time: 2026 Feb 03 1411 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 03 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: ALTXMF Serial Number: 517 Issue Time: 2026 Feb 03 0702 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 03 0700 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