Space Weather Message Code: ALTXMF Serial Number: 513 Issue Time: 2026 Feb 01 2356 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 01 2356 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: 512 Issue Time: 2026 Feb 01 1608 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 01 1608 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: 511 Issue Time: 2026 Feb 01 1255 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 01 1248 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: 206 Issue Time: 2026 Feb 01 1253 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Feb 01 1152 UTC Maximum Time: 2026 Feb 01 1233 UTC End Time: 2026 Feb 01 1238 UTC X-ray Class: X1.0 Location: N16E37 NOAA Scale: R3 - Strong Comment: Double peak flare with M6.7 and X1.0 peaks. 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 o ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 510 Issue Time: 2026 Feb 01 1212 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 01 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: ALTXMF Serial Number: 509 Issue Time: 2026 Feb 01 1005 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Feb 01 1001 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: 3617 Issue Time: 2026 Feb 01 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3616 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 11100 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

AMSAT News Service ANS-032 February 1, 2026 In this edition: * NASA Selects Global Tracking Volunteers for Artemis II Lunar Mission * Thailand’s KNACKSAT-2 CubeSat Preparing for Deployment from the ISS * CubeSatSim Satellite Emulator Kits Now Available in the AMSAT Store * Open.Space Phased Array Project Targets Low-Cost EME for Hams * Changes to AMSAT-NA TLE Distribution for January 30, 2026 * ARISS News * AMSAT Ambassador Activities * Satellite Shorts From All Over The AMSAT® N ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3616 Issue Time: 2026 Jan 31 0503 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3615 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 9214 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: 3615 Issue Time: 2026 Jan 30 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3614 Begin Time: 2026 Jan 21 0950 UTC Yesterday Maximum 2MeV Flux: 8017 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