January 21st 2026 PST
Space Weather Message Code: ALTEF3 Serial Number: 3606 Issue Time: 2026 Jan 21 1006 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2026 Jan 21 0950 UTC Station: GOES19 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
January 19th 2026 PST
Space Weather Message Code: WATA99 Serial Number: 13 Issue Time: 2026 Jan 19 1203 UTC WATCH: Geomagnetic Storm Category G4 or Greater Predicted Highest Storm Level Predicted by Day: Jan 20: G4 (Severe) Jan 21: G1 (Minor) Jan 22: None (Below G1) THIS SUPERSEDES ANY/ALL PRIOR WATCHES IN EFFECT NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: Area of impact primarily poleward of 45 degrees Geomagnetic Latitude. Induced ...Continue Reading
January 18th 2026 PST
Space Weather Message Code: ALTEF3 Serial Number: 3605 Issue Time: 2026 Jan 19 0500 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3604 Begin Time: 2026 Jan 12 1040 UTC Yesterday Maximum 2MeV Flux: 4619 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
January 18th 2026 PST
Space Weather Message Code: SUMX01 Serial Number: 205 Issue Time: 2026 Jan 18 1900 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2026 Jan 18 1727 UTC Maximum Time: 2026 Jan 18 1809 UTC End Time: 2026 Jan 18 1851 UTC X-ray Class: X1.9 Optical Class: 3b Location: S12E20 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 sunlit side of Earth, strong ...Continue Reading
January 18th 2026 PST
Space Weather Message Code: ALTXMF Serial Number: 508 Issue Time: 2026 Jan 18 1752 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2026 Jan 18 1752 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
January 17th 2026 PST
Space Weather Message Code: ALTEF3 Serial Number: 3604 Issue Time: 2026 Jan 18 0602 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3603 Begin Time: 2026 Jan 12 1040 UTC Yesterday Maximum 2MeV Flux: 2763 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
January 17th 2026 PST
AMSAT News ServiceANS-018January 18, 2026In this edition:[*]November/December 2025 Issue of The AMSAT Journal Now Available [*]REMINDER: AMSAT Membership Now Includes Getting Started Guide [*]PSLV-C62 Mission Experiences Anomaly [*]Message to U.S. Educators: ARISS Contact Opportunity Call for Proposals [*]Changes to AMSAT TLE Distribution for January 15, 2026 [*]ARISS News [*]AMSAT Ambassador Activities [*]Satellite Shorts From All Over The AMSAT® News Service bulletins are a free, weekly news and informa ...Continue Reading
January 17th 2026 PST
Space Weather Message Code: ALTEF3 Serial Number: 3603 Issue Time: 2026 Jan 17 1343 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3602 Begin Time: 2026 Jan 12 1040 UTC Yesterday Maximum 2MeV Flux: 8698 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
January 16th 2026 PST
Space Weather Message Code: ALTEF3 Serial Number: 3602 Issue Time: 2026 Jan 16 1227 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3601 Begin Time: 2026 Jan 12 1040 UTC Yesterday Maximum 2MeV Flux: 9014 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
January 15th 2026 PST
The following satellite has been removed from this week's AMSAT TLE distribution: BEE-1000 NORAD Cat ID 66650 Non-amateur satellite. The following satellites have been added to this week's AMSAT TLE distribution: QMR-KWT NORAD Cat ID 67291 Downlink 436.950 MHz. SAKHACUBE-CHOLBON NORAD Cat ID 67290 Downlink 437.350 MHz. Joe Fitzgerald AMSAT Orbital Elements Manager Keps mailing list -- keps@amsat.org View archives of this mailing list at https://mailman.amsat.org/hyperkitty/list/keps@amsat.org To unsubscribe ...Continue Reading
This mailing list is announce-only.
Radio Comm Report list. Deals with all modes of communications in the 150 KHz to 1300 MHz, including solar and atmospheric conditions.
Private List