The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.
The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.
Please note: Due to a system outage, many NCEI systems and data access are currently unavailable. We apologize for any inconvenience.
Mirrion 2 Real Time Ionosonde Data Mirror
Please note: The majority of the ionosonde data ingest has now stopped. This activity is part of NCEI’s discontinuation of this data product which was announced in February 2024.