Bulletin: Current Conditions

27 May 2022

Solar activity is low with background X-ray flux at upper B-class levels. There were occasional C-class flares observed from visible active regions. There are seven sunspot regions visible on the solar disk. The solar wind speed is near background levels with speed of 300 km/s. Geomagnetic activity is at quiet levels. Local HF working frequencies are near monthly average predicted values.

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Daily Conditions

Date and Time (UT)foF2 (MHz)hmF2 (km)T indexAp
Grahamstown2022-05-27 14:457.100236.32034
Hermanus2022-05-27 14:458.150243.24752
Planetary Ap2022-05-27 14:348


Predicted SANSA monthly T-Index for May 2022: 49