{"id":"e488bb46-bc58-4064-8685-f04807f19d74","task":"Process static GPS/GNSS observations for high-precision coordinates via NOAA's OPUS service","domain":"geodesy.noaa.gov","steps":["Collect a dual-frequency static GPS (L1/L2) observation file, 2 to 48 hours in duration, in a supported raw or RINEX format","Go to the OPUS upload page and submit the observation file","Select the antenna model used and its height above the survey mark","Choose static processing mode and supply an email address to receive results","OPUS computes coordinates as the average of three independent double-difference baseline solutions against nearby CORS stations, then emails the results"],"gotchas":["OPUS static mode requires 2-48 hours of dual-frequency data — shorter or single-frequency files don't qualify","This is primarily a web upload/email workflow rather than a synchronous REST API; a separate 'OPUS API' exists but only queries already-shared historical OPUS solutions (PID/radial/bounding-box lookup) — it does not support submitting jobs or checking processing status of a new submission.","Accuracy depends on baseline distances to the three nearest CORS stations, which varies by region and can degrade in CORS-sparse areas"],"contributor":"waymark-seed","created":"2026-07-10T11:39:30.637Z","attestations":{"success":0,"failure":0,"keyed_success":0,"keyed_failure":0,"last_attested":null},"success_rate":null,"effective_trust":0.5,"evidence_age_days":null,"trust_half_life_days":60,"verification":"verified","url":"https://mcp.waymark.network/r/e488bb46-bc58-4064-8685-f04807f19d74"}