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Having SatCom problems?
A burst of radiation on the sun's surface may trigger a geomagnetic storm, which can disrupt satellite communications.
In order to prevent unnecessary maintenance on satellite communications systems Air Sat One has provided a feed of Geophysical Events from NOAA's Space Weather Prediction Center. Check here to see if solar activity could be a cause of satellite communications problems.
Geophysical Alert Message Issued: May 2nd, 2024 10:51:09 pm
Space Weather Message Code: ALTTP4
- Serial Number: 631
- Issue Time: 2024 May 03 0251 UTC
- ALERT: Type IV Radio Emission
- Begin Time: 2024 May 03 0232 UTC
- Description: Type IV emissions occur in association with major eruptions on the sun and are typically associated with strong coronal mass ejections and solar radiation storms.
Geophysical Alert Message Issued: May 2nd, 2024 10:39:21 pm
Space Weather Message Code: SUM10R
- Serial Number: 791
- Issue Time: 2024 May 03 0239 UTC
- SUMMARY: 10cm Radio Burst
- Begin Time: 2024 May 03 0219 UTC
- Maximum Time: 2024 May 03 0219 UTC
- End Time: 2024 May 03 0223 UTC
- Duration: 4 minutes
- Peak Flux: 660 sfu
- Latest Penticton Noon Flux: 142 sfu
- Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.
Geophysical Alert Message Issued: May 2nd, 2024 10:38:06 pm
Space Weather Message Code: SUMX01
- Serial Number: 141
- Issue Time: 2024 May 03 0238 UTC
- SUMMARY: X-ray Event exceeded X1
- Begin Time: 2024 May 03 0211 UTC
- Maximum Time: 2024 May 03 0222 UTC
- End Time: 2024 May 03 0227 UTC
- X-ray Class: X1.6
- Optical Class: 1b
- Location: N23E06
- 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-solar point.
- Radio - Wide area blackout of HF (high frequency) radio communication for about an hour.
Geophysical Alert Message Issued: May 2nd, 2024 10:36:02 pm
Space Weather Message Code: ALTTP2
- Serial Number: 1288
- Issue Time: 2024 May 03 0236 UTC
- ALERT: Type II Radio Emission
- Begin Time: 2024 May 03 0220 UTC
- Estimated Velocity: 959 km/s
- Description: Type II emissions occur in association with eruptions on the sun and typically indicate a coronal mass ejection is associated with a flare event.
Geophysical Alert Message Issued: May 2nd, 2024 10:22:33 pm
Space Weather Message Code: ALTXMF
- Serial Number: 357
- Issue Time: 2024 May 03 0222 UTC
- ALERT: X-Ray Flux exceeded M5
- Threshold Reached: 2024 May 03 0219 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 information on affected area and expected duration please see http://www.swpc.noaa.gov/products/d-region-absorption-predictions-d-rap.
Geophysical Alert Message Issued: May 2nd, 2024 5:00:16 pm
Space Weather Message Code: ALTK07
- Serial Number: 142
- Issue Time: 2024 May 02 2100 UTC
- ALERT: Geomagnetic K-index of 7
- Threshold Reached: 2024 May 02 2059 UTC
- Synoptic Period: 1800-2100 UTC
- Active Warning: Yes
- NOAA Scale: G3 - Strong
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
- Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
- Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
- Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
- Radio - HF (high frequency) radio may be intermittent.
- Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
Geophysical Alert Message Issued: May 2nd, 2024 4:56:33 pm
Space Weather Message Code: WARK04
- Serial Number: 4602
- Issue Time: 2024 May 02 2056 UTC
- EXTENDED WARNING: Geomagnetic K-index of 4 expected
- Extension to Serial Number: 4601
- Valid From: 2024 May 02 1335 UTC
- Now Valid Until: 2024 May 03 1500 UTC
- Warning Condition: Persistence
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 65 degrees Geomagnetic Latitude.
- Induced Currents - Weak power grid fluctuations can occur.
- Aurora - Aurora may be visible at high latitudes such as Canada and Alaska.
Geophysical Alert Message Issued: May 2nd, 2024 3:17:52 pm
Space Weather Message Code: ALTK06
- Serial Number: 555
- Issue Time: 2024 May 02 1917 UTC
- ALERT: Geomagnetic K-index of 6
- Threshold Reached: 2024 May 02 1917 UTC
- Synoptic Period: 1800-2100 UTC
- Active Warning: Yes
- NOAA Scale: G2 - Moderate
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 55 degrees Geomagnetic Latitude.
- Induced Currents - Power grid fluctuations can occur. High-latitude power systems may experience voltage alarms.
- Spacecraft - Satellite orientation irregularities may occur; increased drag on low Earth-orbit satellites is possible.
- Radio - HF (high frequency) radio propagation can fade at higher latitudes.
- Aurora - Aurora may be seen as low as New York to Wisconsin to Washington state.
Geophysical Alert Message Issued: May 2nd, 2024 3:04:35 pm
Space Weather Message Code: ALTK05
- Serial Number: 1574
- Issue Time: 2024 May 02 1904 UTC
- ALERT: Geomagnetic K-index of 5
- Threshold Reached: 2024 May 02 1904 UTC
- Synoptic Period: 1800-2100 UTC
- Active Warning: Yes
- NOAA Scale: G1 - Minor
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 60 degrees Geomagnetic Latitude.
- Induced Currents - Weak power grid fluctuations can occur.
- Spacecraft - Minor impact on satellite operations possible.
- Aurora - Aurora may be visible at high latitudes, i.e., northern tier of the U.S. such as northern Michigan and Maine.
Geophysical Alert Message Issued: May 2nd, 2024 2:03:40 pm
Space Weather Message Code: ALTK07
- Serial Number: 141
- Issue Time: 2024 May 02 1803 UTC
- ALERT: Geomagnetic K-index of 7
- Threshold Reached: 2024 May 02 1759 UTC
- Synoptic Period: 1500-1800 UTC
- Active Warning: Yes
- NOAA Scale: G3 - Strong
- NOAA Space Weather Scale descriptions can be found at
- www.swpc.noaa.gov/noaa-scales-explanation
- Potential Impacts: Area of impact primarily poleward of 50 degrees Geomagnetic Latitude.
- Induced Currents - Power system voltage irregularities possible, false alarms may be triggered on some protection devices.
- Spacecraft - Systems may experience surface charging; increased drag on low Earth-orbit satellites and orientation problems may occur.
- Navigation - Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
- Radio - HF (high frequency) radio may be intermittent.
- Aurora - Aurora may be seen as low as Pennsylvania to Iowa to Oregon.
