RUSSIAN JOURNAL OF EARTH SCIENCES, VOL. 20, ES6008, doi:10.2205/2020ES000724, 2020

Table 1. Adopted and Recommended $K9$ Limits for Russian Geomagnetic Observatories
Observatory IAGA-code Time interval Adopted $K9$ limit, nT Recommended $K9$ limit, nT
Arti ARS 2001–2013 550 425
Borok BOX 2005–2016 600 700
Novosibirsk NVS 2005–2016 500 400
Paratunka PET 2002–2013 450 380
Yakutsk YAK 1979–1991 550 600

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Citation: Petrov Valery G., Roman I. Krasnoperov (2020), The aspects of K-index calculation at Russian Geomagnetic Observatories, Russ. J. Earth Sci., 20, ES6008, doi:10.2205/2020ES000724.
 

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