Space Weather Message Code: ALTEF3 Serial Number: 3729 Issue Time: 2026 Aug 26 0813 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3728 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1039 pfu Max time: 2026 Aug 26 0805 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 no ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 541 Issue Time: 2026 Aug 25 1001 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Aug 25 0959 UTC Noaa Scale: R2 - Moderate Comment: 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-r ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3728 Issue Time: 2026 Aug 25 0718 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3727 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1030 pfu Max time: 2026 Aug 25 0710 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 no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3727 Issue Time: 2026 Aug 24 1036 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3726 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1026 pfu Max time: 2026 Aug 24 1030 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 no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3726 Issue Time: 2026 Aug 23 0921 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3725 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1000 pfu Max time: 2026 Aug 23 0915 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 no ...Continue Reading

AMSAT News Service ANS-214August 23, 2026 In this edition: [*]Menon, Adenot Complete Spacewalk to Remove Failed Station Antenna [*]Dr. Carlos Miranda Appointed ARISS-USA Director of Education [*]Student-Built JAMX01 and BY70-4 Set for August 25 Launch [*]Recent IARU Amateur Satellite Frequency Coordination Activity [*]Petition Seeks Amateur Transponder Aboard Bangladesh Satellite-2 [*]Huntsville Hamfest Hosts ARRL National Convention This Weekend [*]Radio Amateurs Support Earthquake Communications in Indonesia a ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3725 Issue Time: 2026 Aug 22 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Continuation of Serial Number: 3724 Begin Time: 2026 Aug 21 1105 UTC Yesterday Maximum 2MeV Flux: 1062 pfu Max time: 2026 Aug 22 0450 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 no ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3724 Issue Time: 2026 Aug 21 1118 UTC ALERT: Electron 2MeV Integral Flux exceeded 1,000pfu Threshold Reached: 2026 Aug 21 1105 UTC Station: GOES-19 Comment: 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 o ...Continue Reading

SB KEPS @ AMSAT $ORB26233.1 2Line Orbital Elements 26233.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 August 21, 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 witho ...Continue Reading

CO-128 MARMOTSat was incorrectly identified last week, the correct NORAD designation is Cat ID 69912 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 AMSAT-NA mailing list preferences at https://mailman.amsat.org ...Continue Reading