Space Weather Message Code: ALTEF3 Serial Number: 3744 Issue Time: 2026 Sep 14 1103 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3743 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 1827 pfu Max time: 2026 Sep 13 1800 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3743 Issue Time: 2026 Sep 13 0827 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3742 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 1828 pfu Max time: 2026 Sep 12 1615 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

AMSAT News ServiceANS-256September 13, 2026In this edition:* Frank Hoonhaut, KJ7DZ, Sweeps AMSAT Award Ladder* AMSAT Youth Initiative Adds "Satellite and Astronomy" Course* ISAR Launches 2 Ham Band Satellites* The Addictive World of Amateur Radio Satellites – An OARC Member Talk* World Radio Broadcast & "Send Your Name into Space" Campaign* Changes to AMSAT TLE Distribution for September 4, 2026* Global ARISS Contact Window- Submit Your Proposals and Applications* ARISS Ne ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3742 Issue Time: 2026 Sep 12 0645 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3741 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 7008 pfu Max time: 2026 Sep 11 1355 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3741 Issue Time: 2026 Sep 11 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3740 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 1391 pfu Max time: 2026 Sep 11 0455 UTCThank 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 Subscription Site. Please do not use the from address fo ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3740 Issue Time: 2026 Sep 11 0045 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3739 Begin Time: 2026 Sep 10 1304 UTC Yesterday Maximum 2MeV Flux: 3080 pfu Max time: 2026 Sep 10 1745 UTCThank 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 Subscription Site. Please do not use the from address fo ...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 $ORB26254.1 2Line Orbital Elements 26254.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 11, 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 ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3739 Issue Time: 2026 Sep 10 1306 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Sep 10 1304 UTC Station: GOES-19 Comment: Yesterday's max: 1037 pfu 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 Subscription Site. Please do not use the from address for correspondence, as it is not monitored. For comments ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3738 Issue Time: 2026 Sep 09 0538 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3738 Begin Time: 2026 Sep 08 1550 UTC Yesterday Maximum 2MeV Flux: 1003 pfu CORRECTEDThank 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 Subscription Site. Please do not use the from address for correspondence, as i ...Continue Reading