{"adapter":"Unified Data Library (UDL)","service":"GPS Constellation Health","timestamp":"2026-04-30T04:46:32.273Z","constellationStatus":"NOMINAL","totalSVs":31,"healthySVs":30,"unhealthySVs":1,"pdop":1.8,"hdop":1.2,"vdop":1.4,"signals":{"L1CA":{"status":"NOMINAL","svCount":30},"L2C":{"status":"NOMINAL","svCount":24},"L5":{"status":"NOMINAL","svCount":18},"L1C":{"status":"INITIAL","svCount":8}},"gpsAlerts":[],"accuracyEstimate":{"horizontal":"1.5m (95% SPS)","vertical":"3.0m (95% SPS)","timing":"40ns (95%)"},"source":"Data from UDL/18 SDS when connected. Current values are constellation baseline from public NAVCEN data.","navcenUrl":"https://www.navcen.uscg.gov/?Do=constellationStatus"}