Geodetic News
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NOAA issues a significant space weather forecast
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| Wednesday, November 12, 2025 |
The National Oceanic and Atmospheric Administration (NOAA) has issued a space weather forecast for a severe (scale G4) geomagnetic storm that could impact GPS navigation on the afternoon of Wednesday, November 12th, 1:00 pm EST to 4:00 pm EST (18:00 UTC to 21:00 UTC).
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Potential impacts to GPS navigation:
- Strong (scale G3): Intermittent satellite navigation (GPS) problems, including loss-of-lock and increased range error may occur.
- Severe (scale G4): Satellite navigation (GPS) degraded or inoperable for hours.
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NOAA Space Weather info:
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NC Geodetic Survey help email addresses
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Those needing to contact NC Geodetic Survey for general help may use the email address below.
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Those needing help regarding the NC Real-Time Network (NCRTN) may use the email address below.
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NC Geodetic Survey CORS fund donation page
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Those wishing to donate to the NCGS CORS fund may do so at the link below.
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This link is also accessible via the CORS/GNSS page.
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Geodetic News Archive
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Geodetic news items older than approximately 6 months (unless deemed critical) as well as expired GPS interference testing notices can be found on the news archive page at the link below.
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Real Time Network Sensor Map
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To view the real time network sensor map please visit the link below.
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Beta NGS Map
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In the event that the NCGS Geodetic Control Database is unavailable, users may find the Beta NGS Map, accessible at the link below, a useful alternate resource.
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