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

X-Class and M-Class Solar Flares detected on LRO UKRAA 23.4KHz Sudden Ionospheric Disturbance (SID) Detector 14/5/2025

By Admin May 18, 2025

I have overlaid data from the SID Monitoring Station (purple) onto my data (red) on picture below (SID Monitoring Station A118 Home Page)

Andy

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)