{"discovery":{"qdrant_configured":true,"strategy":"lexical"},"facets":{"access":{"free":2},"modality":{"magnetic":2,"space-weather":1},"provider":{"noaa-ncei":2},"tier":{"product":2}},"query":{"access":null,"all_weather":null,"bbox":null,"datetime":null,"limit":null,"max_gsd":null,"modality":"magnetic","night":null,"offset":null,"provider":null,"q":null,"sort":null,"tasking":null,"tier":null},"results":[{"access":"free","access_methods":[{"kind":"https","notes":"Catalog entry reviewed 2026-09-29; start denotes catalog inclusion, not archive inception. Bounding box is nominal scope, not survey coverage. Follow source inventories, terms and formats. Discovery only; no live footprint adapter is supplied for this collection.","url":"https://www.ncei.noaa.gov/products/marine-trackline-geophysical-data"}],"all_weather":false,"bbox":[-180.0,-90.0,180.0,90.0],"category":"in-situ","end":null,"formats":["Provider-native"],"gsd_m":null,"id":"noaa-marine-magnetic","instruments":["Product-specific measurements or analyses"],"keywords":["maritime","subsurface","electromagnetic"],"latency_hours":null,"level":"L4","license":"provider-terms","modalities":["magnetic"],"night":false,"platforms":["Official public product directory"],"pricing":null,"provider":"noaa-ncei","provider_name":"NOAA National Centers for Environmental Information","revisit_hours":null,"score":1.0,"start":"2026-09-29","summary":"Archived marine magnetic measurements with cruise metadata. Survey footprints, age and contributor rights vary.","tasking":false,"tier":"product","title":"Marine Trackline Magnetic Measurements"},{"access":"free","access_methods":[{"kind":"https","notes":"Catalog entry reviewed 2026-09-29; start denotes catalog inclusion, not archive inception. Bounding box is nominal scope, not survey coverage. Follow source inventories, terms and formats. Discovery only; no live footprint adapter is supplied for this collection.","url":"https://www.ncei.noaa.gov/products/geomagnetic-data"}],"all_weather":false,"bbox":[-180.0,-90.0,180.0,90.0],"category":"in-situ","end":null,"formats":["Provider-native"],"gsd_m":null,"id":"noaa-geomagnetic","instruments":["Product-specific measurements or analyses"],"keywords":["space","electromagnetic","environment"],"latency_hours":null,"level":"L4","license":"us-public-domain","modalities":["magnetic","space-weather"],"night":false,"platforms":["Official public product directory"],"pricing":null,"provider":"noaa-ncei","provider_name":"NOAA National Centers for Environmental Information","revisit_hours":null,"score":1.0,"start":"2026-09-29","summary":"Geomagnetic observations and archived products for electromagnetic and space-environment context. Cadence and coverage vary by product.","tasking":false,"tier":"product","title":"NOAA Geomagnetic Data and Indices"}],"returned":2,"total":2}