Space Weather Message Code: ALTEF3 Serial Number: 3558 Issue Time: 2025 Nov 11 1032 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3557 Begin Time: 2025 Nov 10 1325 UTC Yesterday Maximum 2MeV Flux: 4276 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: SUMX01 Serial Number: 201 Issue Time: 2025 Nov 11 1023 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Nov 11 0949 UTC Maximum Time: 2025 Nov 11 1004 UTC End Time: 2025 Nov 11 1017 UTC X-ray Class: X5.1 Optical Class: 3b Location: N28W12 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: 499 Issue Time: 2025 Nov 11 1002 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Nov 11 1002 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: 3557 Issue Time: 2025 Nov 10 1359 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Nov 10 1325 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

Space Weather Message Code: SUMX01 Serial Number: 200 Issue Time: 2025 Nov 10 1023 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Nov 10 0855 UTC Maximum Time: 2025 Nov 10 0919 UTC End Time: 2025 Nov 10 1018 UTC X-ray Class: X1.2 Optical Class: 2b Location: N28W01 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: 498 Issue Time: 2025 Nov 10 0913 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Nov 10 0913 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: 199 Issue Time: 2025 Nov 09 0804 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Nov 09 0701 UTC Maximum Time: 2025 Nov 09 0735 UTC End Time: 2025 Nov 09 0755 UTC X-ray Class: X1.7 Location: N23E01 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: 497 Issue Time: 2025 Nov 09 0722 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Nov 09 0719 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

AMSAT News Service ANS-313 November 9, 2025 In this edition: * SpaceX Bandwagon-4 Mission Places CEVROSAT-1 in Orbit with Rideshare Payloads * CatSat to Open Microwave Linear Transponder Access for Amateur Radio Community * ARISS to Mark 25 Years of ISS With Special Worldwide SSTV Event in November * Digital Library of Amateur Radio and Communications Adds AMSAT Publications * AI Fix from Earth Restores James Webb Telescope Clarity, No Astronauts Needed * Changes to AMSAT-NA TLE Distribution for November 7, 202 ...Continue Reading

SB KEPS @ AMSAT $ORB25311.1 2Line Orbital Elements 25311.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 07, 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