Nugget Shooter Posted October 5, 2021 Share Posted October 5, 2021 So there are several studies done on why radios and other electronic devices experience instability at sunrise and yes this includes metal detectors... http://solar-center.stanford.edu/SID/StudentWork/LeandraMerola.pdf Very interesting stuff and explains why most PI detectors and even VLF are a bit unstable at sunrise. 4 1 Quote Link to comment Share on other sites More sharing options...
nugget108 Posted October 5, 2021 Share Posted October 5, 2021 Very interesting Bill!! Quote Link to comment Share on other sites More sharing options...
TomH Posted October 5, 2021 Share Posted October 5, 2021 Good thing I dont get up that early! Tom H. 2 Quote Link to comment Share on other sites More sharing options...
mn90403 Posted October 5, 2021 Share Posted October 5, 2021 What about sunset? 1 Quote Link to comment Share on other sites More sharing options...
GotAU? Posted October 5, 2021 Share Posted October 5, 2021 2 hours ago, mn90403 said: What about sunset? From the author: “sunrise and sunset drastically change the signal strength of VLF radio waves because of the dramatic variation in the ionizing of the ionosphere.” Quote Link to comment Share on other sites More sharing options...
AZ Digger Posted October 6, 2021 Share Posted October 6, 2021 Great find. Our Planet is an amazing place. Quote Link to comment Share on other sites More sharing options...
Brownnugget Posted October 6, 2021 Share Posted October 6, 2021 Gotta love those peaceful early morning hunts and then those little zaps coming through the headphones as Mr. Fire BALL appears. Quote Link to comment Share on other sites More sharing options...
Old Tom Posted October 11, 2021 Share Posted October 11, 2021 On 10/5/2021 at 6:10 AM, Nugget Shooter said: Very interesting stuff and explains why most PI detectors and even VLF are a bit unstable at sunrise. That includes me too................... Old Tom 1 1 Quote Link to comment Share on other sites More sharing options...
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