~~~ 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.

160 m, CH, CME & Type IV noise

Sector boundary crossings happen when Earth (yellow dot) coincides with the heliospheric current sheet (white line), resulting in less noise on 160 m. Coronal holes and coronal mass ejections are also visualised. 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)