AMSAT News Service ANS-186July 5, 2026 In this edition: [*]AMSAT President Drew Glasbrenner, KO4MA, Featured on Ham Radio Workbench Podcast [*]MarmotSat: Student-Built Canadian CubeSat Brings Open-Source Amateur Experiments to VHF and 10 Meters [*]OSCARLOCATOR Web Generator Turns Live Elements Into Printable Tracking Sheets [*]Recent IARU Amateur Satellite Frequency Coordination Activity [*]Amateur Radio Payloads Aboard SpaceX Transporter-17 [*]AMSAT at Moon Day, Dallas – Saturday, July 18, 2026 ...Continue Reading

Space Weather Message Code: SUMX01 Serial Number: 220 Issue Time: 2026 Jul 04 2116 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Jul 04 2029 UTC Maximum Time: 2026 Jul 04 2041 UTC End Time: 2026 Jul 04 2047 UTC Xray Class: X1.3 Optical Class: Location: N15W75 Noaa Scale: R3 - Strong Comment: NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the su ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 538 Issue Time: 2026 Jul 04 2043 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jul 04 2040 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: 537 Issue Time: 2026 Jul 03 1900 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jul 03 1856 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: 536 Issue Time: 2026 Jul 03 1810 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jul 03 1807 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

SB KEPS @ AMSAT $ORB26184.1 2Line Orbital Elements 26184.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 July 03, 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 without ...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: ALTXMF Serial Number: 535 Issue Time: 2026 Jul 01 2308 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jul 01 2306 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: SUMX01 Serial Number: 219 Issue Time: 2026 Jun 30 2104 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Jun 30 2034 UTC Maximum Time: 2026 Jun 30 2050 UTC End Time: 2026 Jun 30 2100 UTC Xray Class: X1.1 Optical Class: Sf Location: N18W18 Noaa Scale: R3 - Strong Comment: NOAA Scale: R3 - Strong NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact consists of large portions of the ...Continue Reading

Space Weather Message Code: ALTXMF Serial Number: 534 Issue Time: 2026 Jun 30 2048 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jun 30 2045 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