Baltic Watch fuses only what is broadcast, published or posted about NATO's north-eastern flank: machine signals move the indicators, text claims fill a lane and never move the board. Non-commercial, no tracking, no advice.
ADS-B from adsb.fi (non-commercial), Fintraffic Digitraffic AIS and Finnish NOTAM bulletin, EANS NOTAM, gpsjam.org daily H3 data (CC-BY), IODA internet connectivity, RSS from Baltic, Nordic and Russian outlets, Telegram public previews. Basemap: OpenStreetMap contributors, OpenFreeMap.
States are derived from simple medians per signal, not from the Phase 1 rubric; there are no events, confirmation states or scenarios yet. AIS covers Finnish receiver range only, Russian military aircraft do not broadcast ADS-B, and an empty sky over Leningrad oblast is blind, not quiet.