Space Weather Message Code: ALTEF3 Serial Number: 3501 Issue Time: 2025 Jul 21 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3500 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 14495 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: 3500 Issue Time: 2025 Jul 20 0605 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3499 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 11583 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 ServiceANS-201July 20, 2025In this edition:[*]2025 AMSAT Board of Directors Election Underway [*]Discuss Amateur Satellite Topics on Digital Voice Reflectors [*]AMSAT-UK Supports Student Payload on Sub-Orbital Launch from Oman [*]Comments on AST & Science, LLC Application to Use 430-440 MHz Due July 21 [*]May/June 2025 Edition of The AMSAT Journal Now Available [*]Changes to AMSAT TLE Distribution for June 6, 2025 [*]ARISS News [*]AMSAT Ambassador Activities [*]Satellite Shorts From All Over The AMSAT ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3499 Issue Time: 2025 Jul 19 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3498 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 10273 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: 3498 Issue Time: 2025 Jul 18 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3497 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 6590 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 $ORB25199.1 2Line Orbital Elements 25199.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 July 18, 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 withou ...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: 3497 Issue Time: 2025 Jul 17 0852 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3496 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 4840 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: 3496 Issue Time: 2025 Jul 16 2334 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3495 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 1010 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: 3495 Issue Time: 2025 Jul 16 0517 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3494 Begin Time: 2025 Jul 14 1550 UTC Yesterday Maximum 2MeV Flux: 1910 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