VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)

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)

By Admin August 30, 2025

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)

By Admin

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How do the dimensions of the hydrogen line horn made by SETI League & listed on astronomy.me.uk compare to the ones in https://lweb.cfa.harvard.edu/~npatel/hornAntennaAASposterPDF2.pdf and https://www.ece.mcmaster.ca/faculty/nikolova/antenna_dload/

What is maximum flare angles of hydrogen line horn antennas before the antenna develops problems?

VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)

Two successive massive complex SIDs today 1/2/2026, representing a sequence of multiple solar flares arriving at Earth

VLF Radio Detection of SIDs (Very low Frequency detection of Sudden Ionospheric Disturbances)

Variable display of SIDs on SID monitors (Sudden Ionospheric Disturbances)