M-Class Flare detected at LRO 31/3/2025 via UKRAA 23.4KHz SID monitor
Sudden Ionospheric Disturbances (SIDs) are changes in power level of very low frequency signals detected with simple equipment in our
Read moreAndrew Thornett, Lichfield, England, M6THO, andrew (at) thornett (dot) net
Sudden Ionospheric Disturbances (SIDs) are changes in power level of very low frequency signals detected with simple equipment in our
Read moreFrom John at SARA Feb 2025: Hello, The signals that we receive consist of a ground wave and
Read moreThe graphs below show my graphs from these two days – the incredible aurora with the crown visible overhead came
Read moreThe traces below show some SID-monitoring traces at very low frequency radio (23.4KHz) , demonstrating multiple large SIDs around the
Read moreUsing UKRAA Sudden Ionospheric Disturbance Monitor (SIDs). (See https://sidstation.loudet.org/ionosphere-en.xhtml for more information on SIDs). 23.4KHz.
Read moreI am using one mini-PC for each radio astronomy experiment at LRO = these 2nd hand PCs are cheaply available
Read moreSIDs are changes in the ionosphere total power detected when solar flare hits the atmosphere. The power is detected from
Read moreI am grateful to the help of Andrew Thomas yesterday for helping me to tune my very low frequency (VLF)
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