Space Weather Message Code: ALTEF3 Serial Number: 3540 Issue Time: 2025 Oct 08 0536 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3539 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 10522 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: 3539 Issue Time: 2025 Oct 07 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3538 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 17945 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: 3538 Issue Time: 2025 Oct 06 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3537 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 23594 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: 3537 Issue Time: 2025 Oct 05 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3536 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 14338 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

October 5, 2025 In this edition: AMSAT 43rd Space Symposium Banquet Reservations Close Thursday, October 9, 2025 ARISS Announces SSTV Event Begins October 3, 2025 43rd Annual AMSAT Symposium Speakers List Announced Four US Schools/Organizations Moved Forward in ARISS Selection Process A Review of the futureGEO Workshop 2025 in Bochum VUCC & DXCC Satellite Standings October 2025 GridMasterMap Satellite Top 100 Rovers October 2025 Rankings Changes to AMSAT-NA TLE Distribution for October 3, 2025 ARISS News AMSAT Amb ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3536 Issue Time: 2025 Oct 04 0519 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3535 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 7331 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: 3535 Issue Time: 2025 Oct 03 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3534 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 3609 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 $ORB25276.1 2Line Orbital Elements 25276.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 October 03, 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 with ...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

Space Weather Message Code: ALTEF3 Serial Number: 3534 Issue Time: 2025 Oct 02 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3533 Begin Time: 2025 Oct 01 1325 UTC Yesterday Maximum 2MeV Flux: 3601 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