Copyright WDC C1 for STP at RAL.
This option allows you to determine what ionospheric data, other than vertical incidence data, are held in the WDC. The catalogue lists all data received and is updated daily as new data arrive in the WDC. The catalogue holds information on absorption measured by riometers. The holdings are indicated on a monthly basis by displaying the first letter of that month.
If you find any errors or omissions in the catalogue, please let us know. We aim to make this catalogue as accurate as we possibly can.
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Produced by World Data Centre C1 for STP.