Just to finish off my posts on sudden ionospheric disturbances, there were two massive complex ones closely following on from each other today, representing a series of solar flares hitting…
Interests me how different stations show quite different traces. Here is mine (Lichfield Radio Observatory www.astronomy.me.uk) from 21/1/2026: It shows a very impressive SID at about 1pm. My goto website…
Strangely narrow SID on 26/1/2026 associated with C-class flare: From Lichfield Radio Observatory (my observatory in UK): Compare to SID Monitoring Station (https://sidstation.loudet.org/data-en.xhtml) – an excellent source of high quality…
Radio-SkyPipe II (R-SP) uses a binary proprietary file format for its data files. Here’s a breakdown of the format, based on the Radio-Sky documentation: File Format (Radio-SkyPipe II) Interpretation /…
Two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross. Here’s how to make it work well: So yes: two-core plastic cable…
Short answer: yes—two-core plastic-coated cable (e.g., speaker twin, figure-8) works fine for a VLF loop wound on a wooden cross. Here’s how to make it work well: So yes: two-core…
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)
The error “could not open port audio stream” in Windows 10 usually points to a problem with PortAudio, a cross-platform audio I/O library used by many audio-related programs (like SDR…
I have overlaid data from the SID Monitoring Station (purple) onto my data (red) on picture below (SID Monitoring Station A118 Home Page) Andy
Sudden Ionospheric Disturbances (SIDs) are changes in power level of very low frequency signals detected with simple equipment in our houses that take up very little space and represent the…
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