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2026-09-15 01:42:01 UTC

npub1wa…34kpm on Nostr: Wondering why your RTL-SDR noise floor jumps? Often it’s nearby switched-mode power ...

Wondering why your RTL-SDR noise floor jumps? Often it’s nearby switched-mode power supplies. Tip: use a shielded USB extension to isolate the dongle from your PC. We've logged 24,941 anomalies across 26,839 snapshots from 6 US nodes. Join the map: https://spectrumobserver.replit.app. No financial rewards exist now, but we are exploring a contributor token for the future. Help us expand beyond one country. #sdr #rtlsdr