Space Weather Message Code: ALTEF3 Serial Number: 3696 Issue Time: 2026 Jun 07 1146 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Jun 07 1143 UTC Station: GOES-18 Comment: Yesterday's max: 1284 pfu Yesterday's max: 1284 pfuThank 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 corr ...Continue Reading

AMSAT News Service ANS-158June 7, 2026 In this edition: [*]Deadline for Candidate Nominations for 2026 AMSAT Board of Directors Election is June 15 [*]HADES-SA / SpinnyOne Designated Spain-OSCAR 127 (SO-127) [*]AMSAT Submits Letter of Intent for NASA SLS CubeSat Opportunity on Artemis III, IV, and V [*]OscarWatch Tracker: A New Satellite Tracking Program from MM9SQL [*]Changes to AMSAT TLE Distribution for June 5, 2026 [*]ARISS News [*]AMSAT Ambassador Activities [*]Satellite Shorts From All Over The AMSAT&Acir ...Continue Reading

Space Weather Message Code: ALTEF3 Serial Number: 3695 Issue Time: 2026 Jun 06 1655 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Jun 06 1640 UTC Station: GOES-19 Comment: Yesterday's max: 536 pfu Yesterday's max: 536 pfuThank 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 corres ...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

Space Weather Message Code: SUMX01 Serial Number: 218 Issue Time: 2026 Jun 03 1159 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Jun 03 1119 UTC Maximum Time: 2026 Jun 03 1128 UTC End Time: 2026 Jun 03 1135 UTC Xray Class: X1.0 Optical Class: Location: N17W19 Noaa Scale: R3 - Strong Comment: GOES-18 outage so using GOES-19 GOES-18 outage so using GOES-19NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potentia ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 531 Issue Time: 2026 Jun 03 1141 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jun 03 1141 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: ALTXMF Serial Number: 530 Issue Time: 2026 Jun 03 0700 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jun 03 0700 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: ALTXMF Serial Number: 529 Issue Time: 2026 Jun 03 0137 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jun 03 0131 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

*AMSAT News Service* ANS-151 May 31, 2026 In this edition: * AMSAT Opens Candidate Nominations for 2026 Board of Directors Election * 2026 AMSAT Space Symposium & Annual General Meeting * AMSAT Field Day 2026 * RADIANT Project Aims to Bring Delay-Tolerant Networking to Amateur Radio * SpaceX Starship V3’s First Test Flight Largely Successful * China Launches Shenzhou 23 Spacecraft * Changes to AMSAT-NA TLE Distribution * Blue Origin Explosion * ARISS News * AMSAT Ambassador Activiti ...Continue Reading

*AMSAT News Service* ANS-151 May 31, 2026 In this edition: * AMSAT Opens Candidate Nominations for 2026 Board of Directors Election * 2026 AMSAT Space Symposium & Annual General Meeting * AMSAT Field Day 2026 * RADIANT Project Aims to Bring Delay-Tolerant Networking to Amateur Radio * SpaceX Starship V3’s First Test Flight Largely Successful * China Launches Shenzhou 23 Spacecraft * Changes to AMSAT-NA TLE Distribution * Blue Origin Explosion * ARISS News * AMSAT Ambassador Activiti ...Continue Reading