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

AMSAT News Service ANS-103 April 13, 2025 In this edition: * Fram2Ham Mission A Success * ISS SSTV April 11-16 – Humans in Space * OpenGD77 Handheld Radio Firmware Aids FM Satellite Operating * Update about HADES-ICM * A New Breed of Satellite and Space Focused “Makers” is Emerging * Your Story Is Needed * Changes to AMSAT-NA TLE Distribution * Starliner’s Wild Ride * ARISS News * Upcoming Satellite Operations * AMSAT Ambassador Activities * Satell ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3451 Issue Time: 2025 Apr 12 0703 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3450 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 3362 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: 3450 Issue Time: 2025 Apr 11 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3449 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 3362 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

The following satellites have been removed from this week's AMSAT TLE distribution: DRAGON Fram2 NORAD Cat ID 63427 Splashdown 16:19 04 April 2025 Fram2Ham Provisional Cat ID 90000 Experiment terminated 08:42:50 O4 April 2025 The following satellites have been added to this week's AMSAT TLE distribution: TEVEL2-1 NORAD Cat ID 63217 TEVEL2-2 NORAD Cat ID 63218 TEVEL2-3 NORAD Cat ID 63219 TEVEL2-4 NORAD Cat ID 63213 TEVEL2-5 NORAD Cat ID 63214 TEVEL2-6 NORAD Cat ID 63215 TEVEL2-7 NORAD Cat ID 63239 TEVEL2-8 NORAD ...Continue Reading

SB KEPS @ AMSAT $ORB25101.1 2Line Orbital Elements 25101.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 11, 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: 3449 Issue Time: 2025 Apr 10 0756 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3448 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 3893 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: 3448 Issue Time: 2025 Apr 09 0521 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3447 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 10269 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: 3447 Issue Time: 2025 Apr 08 0459 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3446 Begin Time: 2025 Apr 05 1225 UTC Yesterday Maximum 2MeV Flux: 17878 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