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georgeg23
on Feb 3, 2023
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Chinese surveillance balloon spotted over U.S., Pe...
NWS weather balloons alone are about 100 balloons over China:
https://www.weather.gov/jetstream/radiosondes
Tons more in amateur radio etc., see APRS
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Search:
https://www.weather.gov/jetstream/radiosondes
Tons more in amateur radio etc., see APRS