~~~ Space Weather Nowcast ~~~ by Serge Y. Stroobandt, ON4AA

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DX

NVIS

160 m

Sector boundary crossings happen when Earth (yellow dot) coincides with the heliospheric current sheet (white line), resulting in less noise on 160 m.

CH, CME & Type IV noise

Forecast of coronal holes and coronal mass ejections. An Earth-bound CME may produce Type IV noise on HF.

Ionosonde stations

QTH locator map with active real-time ionosonde stations (selected station highlighted)