Ads-B on derek.engineer https://derek.engineer/tags/ads-b/ Recent content in Ads-B on derek.engineer derek.engineer https://derek.engineer/og-default.png https://derek.engineer/og-default.png Hugo en-us Wed, 09 Sep 2026 00:00:00 +0000 aperture: tracking ships and aircraft over SF Bay with a $25 SDR dongle https://derek.engineer/posts/aperture-ships-and-aircraft/ Wed, 09 Sep 2026 00:00:00 +0000 https://derek.engineer/posts/aperture-ships-and-aircraft/ Three AIS runs and an ADS-B run from one RTL-SDR in San Francisco, cross-checked against vessel-tracking sites and ADSBdb, with dates and times so anyone can look for themselves. Updated with a second ADS-B run in late September.