January 1st 2026 PST
SB KEPS @ AMSAT $ORB26002.1 2Line Orbital Elements 26002.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 January 02, 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 with ...Continue Reading
December 31st 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3591 Issue Time: 2025 Dec 31 1632 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3590 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 5613 pfu Comment: Electrons went over threshold at 31/1255 through 31/1530 UTC. Potential Impacts: Satellite systems may experience significant charging resulting in increased risk to satellite systems.Thank you for using the Product Subscripti ...Continue Reading
December 31st 2025 PST
Space Weather Message Code: ALTXMF Serial Number: 507 Issue Time: 2025 Dec 31 1344 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Dec 31 1342 UTC 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-ray Flux intensity. For real-time in ...Continue Reading
December 29th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3590 Issue Time: 2025 Dec 30 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3589 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 6690 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
December 29th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3589 Issue Time: 2025 Dec 29 0806 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3588 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8999 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
December 28th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3588 Issue Time: 2025 Dec 28 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3587 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 6123 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
December 27th 2025 PST
*In this edition: * CubeSatSim Kits Now Available Youth on the Air Camp 2026 Applications Open AMSAT Youth Initiative: "Satellites and Climate Change" Course Now Online United Nations Office for Outer Space Affairs: Sustainable Development Goals Launch Teams Practiced Artemis 2 Countdown Changes to AMSAT-NA TLE Distribution for December 26, 2025 ARISS NEWS AMSAT Ambassador Activities Satellite Shorts From All Over The AMSAT® News Service bulletins are a free, weekly news and information service of ...Continue Reading
December 26th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3587 Issue Time: 2025 Dec 27 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3586 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8195 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
December 26th 2025 PST
Space Weather Message Code: ALTEF3 Serial Number: 3586 Issue Time: 2025 Dec 27 0324 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3585 Begin Time: 2025 Dec 21 1425 UTC Yesterday Maximum 2MeV Flux: 8195 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
December 26th 2025 PST
Space Weather Message Code: ALTXMF Serial Number: 506 Issue Time: 2025 Dec 27 0150 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Dec 27 0148 UTC 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-ray Flux intensity. For real-time in ...Continue Reading
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