I didn't like the detector being held in place with a metal clamp. Not the ideal arrangement for something detecting magnetic fields. A bit of delving in the cast off plastic goodies box in the shed revealed a length of plastic tubing. Now fixed in place with the detector inside.
Glancing at the display a short while ago I wondered what had gone wrong to give such a short lived deep spike in the readout.
Faulty solder joint? Faulty programming? I was much relieved when I checked the displays from the Lancaster University on the Aurora Watch site. One of their magnetometer graphs showed a similar downward spike at what appears to be the same time. My set up doesn't show the more minor variations but if it detects the larger ones then I will be satisfied, for now. Ideally the detector should be buried in the ground. That helps with cutting down temperature variations and influences from local magnetic fields which can affect its accurately.
Looks very smart.
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