Re: Anomalous SID 2024-05-17
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I had a magnetic?spike at the same time.
Callum
UK Auroa Watch put out a red alert about then so something was
wag going on.
On 18/05/2024 13:34, Andrew Thomas
wrote:
Yesterday at
18:07UTC I recorded a clear SID event. There is no corresponding
solar flare at this time in the NOAA record and the X-ray flus
is flat.
The attached plot
shows the signal for Anthorn Skelton and Ramsloh. The green
trace for 19.6kHz. 20.9kHz and 22.1kHz is recorded using a 0.4m
loop aerial and a sound card. The blue trace for 19.6kHz (1.0m
loop aerial) and 23.4kHz (0.6m loop aerial) are recorded using
UKRAA VLF receivers.
Did any other
observers record the same event? If so was it on the same
frequencies or did other stations show the same event.
Many thanks
Andrew Thomas
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