Space Weather Message Code: ALTEF3 Serial Number: 3455 Issue Time: 2025 Apr 27 1632 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Apr 27 1605 UTC Station: GOES-19 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 update the personal information in your account, go to the Product ...Continue Reading

AMSAT News ServiceANS-117April 25, 2025In this edition:[*]AMSAT at Hamvention [*]AMSAT Field Day 2025 [*]Updated Satellite Frequency List Available from JE9PEL [*]NASA Offers Free Ohio High School Engineering Program [*]Changes to AMSAT TLE Distribution for April 25, 2025 [*]ARISS News [*]Upcoming Satellite Operations [*]AMSAT Ambassador Activities [*]Satellite Shorts From All Over The AMSAT News Service bulletins are a free, weekly news and information service of AMSAT, The Radio Amateur Satellite Corporation. ANS ...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 $ORB25115.1 2Line Orbital Elements 25115.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 April 25, 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 witho ...Continue Reading

*In this edition:* * * Volunteer for Engineering Drawings Needed AMSAT at Hamvention 2025 - Volunteer at the AMSAT Booth AMSAT Forum on Saturday, May 17th TAPR/AMSAT Banquet on Friday, May 16th Dinner at Tickets Party on Thursday, May 15th Sonate-2 SSTV Scheduled Changes to AMSAT TLE Distribution for April 18, 2025 Results of Fram2Ham Competition Announced JPL Lays Off Its K-12 Education Team ARISS News Upcoming Satellite Operations AMSAT Ambassador Activities Satellite Shorts From All Over The AMSAT News Service ...Continue Reading

The following satellites have been added to this week's AMSAT TLE distribution: HYDRA-W NORAD Cat ID 63490 HADES-ICM NORAD Cat ID 63492 Please note that Two/Three Line Element (TLE or 3LE) sets for spacecraft launched in the near future will not be available, and new formats will be used instead. The essence of the problem is that the US Space Force is running out of five digit numbers to catalog new satellites, see https://celestrak.org/NORAD/documentation/gp-data-formats.php for details. AMSAT will continue t ...Continue Reading

SB KEPS @ AMSAT $ORB25108.1 2Line Orbital Elements 25108.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 April 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 witho ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3454 Issue Time: 2025 Apr 15 1116 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3453 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 1464 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: 3453 Issue Time: 2025 Apr 14 0512 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3452 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 1150 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: 3452 Issue Time: 2025 Apr 13 2120 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3451 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 2657 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