We observe Spark Decodes and report signal strength on a station by station basis. We average over multiple receptions and contrast that to distance traveled.
Click band header to export this data.
http://ft8.ward.asia.wiki.org/assets/pages/spark-decodes/signals.html?domain=t5.local&color HEIGHT 800
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My live mapping of ham radio activity has become so much more interesting now that I place markers at cities with names and home to people. mastodon 