Lichfield Radio Observatory UKRAA Sudden Ionospheric Data (SIDs) at 23.4KHz for 30 August 2025 compared to data from SID Monitoring Station (https://sidstation.loudet.org/data-en.xhtml)
SID Monitoring Station is found at SID Monitoring Station A118 Home Page – live data can be accessed via https://sidstation.loudet.org/data-en.xhtml)