Space Weather Message Code: ALTEF3 Serial Number: 3524 Issue Time: 2025 Sep 14 1851 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3523 Begin Time: 2025 Sep 13 1820 UTC Yesterday Maximum 2MeV Flux: 1181 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

AMSAT News Service ANS-257 Sept. 14, 2025 In this edition: * CubeSats to Deploy from ISS on September 19 * Register Now – AMSAT Symposium Prices Increase September 16 * AMSAT Board of Directors Election Ends September 15, 2025 * FCC Grants AST SpaceMobile Limited Use of Amateur Radio Band * ARRL Lab Helps Radio Amateurs Avoid Interfering With US Space Force Radar * Changes to AMSAT-NA TLE Distribution * Space Station’s Silver Jubilee Celebrated with Silver Research * A ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3523 Issue Time: 2025 Sep 13 1902 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Sep 13 1820 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

The following satellite has been removed from this week's AMSAT TLE distribution: EIRSAT-1 NORAD Cat ID 58472 Decayed from orbit on or about 5 September 2025 Joe Fitzgerald KM1P 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 AMSAT-NA mailing list preferences at https://mailman.amsat.org ...Continue Reading

SB KEPS @ AMSAT $ORB25255.1 2Line Orbital Elements 25255.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 September 12, 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 wi ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3522 Issue Time: 2025 Sep 09 1431 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Sep 09 1420 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

*In this edition: * * AMSAT® Ambassadors Show at HamXposition Convention * AMSAT Announces Two New GridMaster Award Recipients * Register Now - AMSAT Symposium Prices Increase September 16th * AMSAT Board of Directors Election Ends September 15, 2025 * GridMasterMap Satellite Top 100 Rovers - September 2025 Rankings * VUCC Satellite Standing September 2025 * DXCC Satellite Standing for September 2025 * Changes to AMSAT-NA TLE Distribution for September, 5, 2025 * ARISS News * AMSAT Ambassador Activ ...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

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 $ORB25248.1 2Line Orbital Elements 25248.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 September 05, 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 wi ...Continue Reading