Ham Sat Tracker is a free satellite pass predictor for amateur radio operators. Enter your location to see upcoming passes for SO-50, AO-91, ISS, FO-29, RS-44, AO-123, and more — with Doppler-corrected uplink and downlink frequencies at AOS, TCA, and LOS.
Features include sky view polar plots, a live satellite world map, pass alerts, and AntTrack — a real-time compass-based antenna pointing tool. No installation required. Works on any phone, tablet, or desktop browser.
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Amateur Radio Satellite Pass Predictor
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