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

SB KEPS @ AMSAT $ORB26030.1 2Line Orbital Elements 26030.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 January 30, 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 with ...Continue Reading

An alternate source for TLE for IO-86 has been identified, and it has been re-added to the AMSAT TLE distribution. The following satellite has been removed from this week's AMSAT TLE distribution: GHS-01 NORAD Cat ID 65733, Decayed from orbit on or about 20 Jan 2025 Joe Fitzgerald AMSAT Orbital Elements Manager 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 ...Continue Reading