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screening is not identical to a specific airborne receiver RAIM algorithm.","Current almanac health is used; manually exclude PRNs for known outages not reflected in the almanac.","Does not model antenna masking, aircraft attitude, interference, ionosphere, receiver-specific baro aiding, or manufacturer-specific thresholds.","Not certified or approved for operational flight planning."],"operational_warning":"Do not use this result as the sole RAIM preflight prediction. Verify with an approved/operator-authorised RAIM prediction source and current GPS satellite outage information.","summary":{"result":"SCREENING_PASS","result_label":"experimental geometry screening only","sample_count":13,"screening_available_for_all_samples":true,"unavailable_sample_count":0,"minimum_healthy_visible_satellites":8,"maximum_healthy_visible_satellites":11,"fault_detection_geometry_available_throughout":true,"fault_exclusion_geometry_available_throughout":true,"worst_hdop":{"value":1.162,"time":"2026-09-07T09:32:44.276620+00:00","position":{"latitude":-33.946098,"longitude":151.177002,"altitude_ft":21.0},"route_fraction":null},"worst_vdop":{"value":1.811,"time":"2026-09-07T09:22:44.276620+00:00","position":{"latitude":-33.946098,"longitude":151.177002,"altitude_ft":21.0},"route_fraction":null},"worst_pdop":{"value":2.144,"time":"2026-09-07T09:27:44.276620+00:00","position":{"latitude":-33.946098,"longitude":151.177002,"altitude_ft":21.0},"route_fraction":null},"worst_gdop":{"value":2.477,"time":"2026-09-07T09:27:44.276620+00:00","position":{"latitude":-33.946098,"longitude":151.177002,"altitude_ft":21.0},"route_fraction":null},"outage_periods":[]}}