Space Weather Message Code: ALTEF3 Serial Number: 3566 Issue Time: 2025 Nov 29 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3565 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 14759 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: 501 Issue Time: 2025 Nov 28 2224 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Nov 28 2222 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: 3565 Issue Time: 2025 Nov 28 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3564 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 8297 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 updat ...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 $ORB25332.1 2Line Orbital Elements 25332.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 November 28, 2025 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: ALTEF3 Serial Number: 3564 Issue Time: 2025 Nov 27 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3563 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 10064 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: ALTEF3 Serial Number: 3563 Issue Time: 2025 Nov 26 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3562 Begin Time: 2025 Nov 25 1450 UTC Yesterday Maximum 2MeV Flux: 3722 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 updat ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3562 Issue Time: 2025 Nov 25 1451 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Nov 25 1450 UTC Station: GOES19 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

AMSAT News ServiceANS-327November 23, 2025In this edition:[*]September/October 2025 Edition of The AMSAT Journal Now Available [*]New AMSAT CubeSatSim Lite Available on AMSAT Store Sunday [*]Happy 12th Birthday to AO-73 (FUNcube-1) [*]Successful Reception of CatSat 10 GHz Downlink [*]SO-124 Nears End of Orbital Life [*]Changes to AMSAT TLE Distribution for October 10, 2025 [*]ARISS News [*]AMSAT Ambassador Activities [*]Satellite Shorts From All Over The AMSAT News Service bulletins are a fre ...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