March 31st 2025 PDT
Space Weather Message Code: ALTXMF Serial Number: 478 Issue Time: 2025 Apr 01 0651 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Apr 01 0645 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
March 30th 2025 PDT
Space Weather Message Code: ALTEF3 Serial Number: 3442 Issue Time: 2025 Mar 31 0502 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3441 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2772 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
March 29th 2025 PDT
Space Weather Message Code: ALTEF3 Serial Number: 3441 Issue Time: 2025 Mar 30 0501 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3440 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2968 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
March 29th 2025 PDT
AMSAT News ServiceANS-089March 30, 2025In this edition:[*]Fram2 Mission With Amateur Radio Payload Scheduled to Launch March 31st [*]GridMasterMap Satellite Top 100 Rovers April 2025 Rankings [*]Heathkit Now Offering AMSAT CubeSatSim Kits [*]Changes to AMSAT TLE Distribution for March 28, 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 Satel ...Continue Reading
March 28th 2025 PDT
Space Weather Message Code: ALTEF3 Serial Number: 3440 Issue Time: 2025 Mar 29 0507 UTC CONTINUED ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Continuation of Serial Number: 3439 Begin Time: 2025 Mar 28 1410 UTC Yesterday Maximum 2MeV Flux: 2819 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
March 28th 2025 PDT
Space Weather Message Code: SUMX01 Serial Number: 191 Issue Time: 2025 Mar 28 1609 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Mar 28 1503 UTC Maximum Time: 2025 Mar 28 1521 UTC End Time: 2025 Mar 28 1542 UTC X-ray Class: X1.1 Location: N06E75 NOAA Scale: R3 - Strong Comment: This summary is resent to correct the X-ray Class of this event to an X1.1 vs an X1.4. NOAA Space Weather Scale descriptions can be found at www.swpc.noaa.gov/noaa-scales-explanation Potential Impacts: ...Continue Reading
March 28th 2025 PDT
Space Weather Message Code: SUMX01 Serial Number: 190 Issue Time: 2025 Mar 28 1550 UTC SUMMARY: X-ray Event exceeded X1 Begin Time: 2025 Mar 28 1503 UTC Maximum Time: 2025 Mar 28 1521 UTC End Time: 2025 Mar 28 1542 UTC X-ray Class: X1.4 Location: N06E75 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, strongest at the sub-sola ...Continue Reading
March 28th 2025 PDT
Space Weather Message Code: ALTXMF Serial Number: 477 Issue Time: 2025 Mar 28 1518 UTC ALERT: X-Ray Flux exceeded M5 Threshold Reached: 2025 Mar 28 1507 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
March 28th 2025 PDT
Space Weather Message Code: ALTEF3 Serial Number: 3439 Issue Time: 2025 Mar 28 1428 UTC ALERT: Electron 2MeV Integral Flux exceeded 1000pfu Threshold Reached: 2025 Mar 28 1410 UTC Station: GOES16 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
March 27th 2025 PDT
The following satellite has been removed from this week's AMSAT TLE distribution: KSU-Cubesat NORAD Cat ID 47954 Decayed from orbit on or about 21 March 2025 Provisional elements for the upcoming Fram2Ham mission have also been added courtesy of ARISS, and will be updated when the SpaceX Dragon vehicle attains orbit. Predictions based on these elements will be invalid if the launch is delayed past the planned 01 April 2025 03:20 UTC liftoff or if launch vehicle performance is off nominal. Updates will be foun ...Continue Reading
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