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Re: Detecting Massive X-Class & M-Class flares on 14 May 2025 using Sudden Ionospheric Disturbance monitor at Lichfield Radio Observatory UK


 

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Thanks Mark.

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Are you using the UKRAA VLF receivers?

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I am using one set at 23.4 KHz ¨C are you doing the same? And if so how are you getting the output into Spectrum Lab?

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Mine is an old version with parallel port so I am taking the analogue output from the VLF receiver, putting it through a Labjack U3 and bringing it into Radio Sky Pipe II currently.

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Andy

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From: [email protected] <[email protected]> On Behalf Of Mark Edwards via groups.io
Sent: 21 May 2025 15:11
To: [email protected]
Subject: Re: [baa-rag] Detecting Massive X-Class & M-Class flares on 14 May 2025 using Sudden Ionospheric Disturbance monitor at Lichfield Radio Observatory UK

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Andy,

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You set up a watch list for the plotter like this:-

For each of the monitored freqs. in the 'Expression' I average over a bandwidth of 150Hz to try to cover the sidebands.

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My averaging over 60 FFTs amounts to about 5s.

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Mark

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