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The viewer retrieves a rolling 24-hour window; indexed observations persist.","tasking":false,"tier":"raw","title":"NOAA Near-Real-Time Profiling Float and Glider Positions"},{"access":"free","access_methods":[{"kind":"https","notes":"Official schema, platform classifications, coordinate units and public data terms.","url":"https://osmc.noaa.gov/erddap/info/OSMC_flattened/index.html"},{"kind":"https","notes":"Fixed platform-type filter; latest 24 hours; actual reported positions. Catalog inclusion date does not denote archive inception. No complete coverage or continuous tracking claim.","url":"https://osmc.noaa.gov/erddap/tabledap/OSMC_flattened.html"}],"all_weather":false,"bbox":[-180.0,-90.0,180.0,90.0],"category":"in-situ","end":null,"formats":["JSON","CSV","NetCDF"],"gsd_m":null,"id":"noaa-ice-buoys-nrt","instruments":["Published platform location reports"],"keywords":["movement","telemetry","maritime","ocean","near-real-time","ice-buoy"],"latency_hours":null,"level":"L0","license":"us-public-domain","modalities":["ocean-in-situ"],"night":false,"platforms":["Ice buoys"],"pricing":null,"provider":"noaa-osmc","provider_name":"NOAA Observing System Monitoring Center","revisit_hours":null,"score":1.0,"start":"2026-09-30","summary":"Reported ice-buoy locations from NOAA OSMC GTS. Positions support observing-system and polar movement context, without inferring sea-ice drift between reports. The viewer retrieves a rolling 24-hour window; indexed observations persist.","tasking":false,"tier":"raw","title":"NOAA Near-Real-Time Ice Buoy Positions"},{"access":"free","access_methods":[{"kind":"https","notes":"Official schema, platform classifications, coordinate units and public data terms.","url":"https://osmc.noaa.gov/erddap/info/OSMC_flattened/index.html"},{"kind":"https","notes":"Fixed platform-type filter; latest 24 hours; actual reported positions. Catalog inclusion date does not denote archive inception. No complete coverage or continuous tracking claim.","url":"https://osmc.noaa.gov/erddap/tabledap/OSMC_flattened.html"}],"all_weather":false,"bbox":[-180.0,-90.0,180.0,90.0],"category":"in-situ","end":null,"formats":["JSON","CSV","NetCDF"],"gsd_m":null,"id":"noaa-usv-nrt","instruments":["Published platform location reports"],"keywords":["movement","telemetry","maritime","ocean","near-real-time","uncrewed-surface-vehicle"],"latency_hours":null,"level":"L0","license":"us-public-domain","modalities":["ocean-in-situ"],"night":false,"platforms":["Uncrewed surface vehicles"],"pricing":null,"provider":"noaa-osmc","provider_name":"NOAA Observing System Monitoring Center","revisit_hours":null,"score":1.0,"start":"2026-09-30","summary":"Reported positions in the NOAA OSMC uncrewed-surface-vehicle class. Platform codes and observation times are preserved; no inferred path or guaranteed delivery latency. The viewer retrieves a rolling 24-hour window; indexed observations persist.","tasking":false,"tier":"raw","title":"NOAA Near-Real-Time Uncrewed Surface Vehicle Positions"},{"access":"free","access_methods":[{"kind":"https","notes":"Preferred Copernicus publisher discovery portal. Product licensing, quality screening and download authentication apply.","url":"https://dataspace.copernicus.eu/"},{"collection":"sentinel-3-sl-1-rbt-nrt","kind":"stac-api","notes":"Verified publisher STAC collection on 2026-10-02. Native license marker: other. Follow publisher license links and product download authentication. Timeliness category: NR; publisher timeliness: PT3H. Timeliness is not a source-freshness or service guarantee. Native acquisition intervals and publication timestamps remain preserved. ESA describes the calibrated sensor product as Level 1B; native CDSE processing:level is L1 and remains preserved separately from tf:catalog_processing_level = L1B. Mixed 500 m solar and 1 km thermal sampling prevents assigning a single catalog GSD.","url":"https://stac.dataspace.copernicus.eu/v1"},{"kind":"https","notes":"Primary ESA SLSTR product definitions, radiometric sampling, processing levels and NRT/NTC differences.","url":"https://sentiwiki.copernicus.eu/web/slstr-products"}],"all_weather":false,"bbox":[-180.0,-90.0,180.0,90.0],"category":"imagery","end":null,"formats":["STAC","NetCDF","Sentinel-SAFE"],"gsd_m":null,"id":"cdse-s3-thermal-radiance-nrt","instruments":["slstr"],"keywords":["earth-observation","primary-source","stac","sentinel-3-sl-1-rbt-nrt","near-real-time","thermal","radiance"],"latency_hours":null,"level":"L1B","license":"copernicus-open","modalities":["multispectral","thermal"],"night":true,"platforms":["sentinel-3a","sentinel-3b"],"pricing":null,"provider":"copernicus","provider_name":"ESA / Copernicus","revisit_hours":null,"score":1.0,"start":"2016-04-19","summary":"Calibrated SLSTR solar-channel radiances and thermal-channel brightness temperatures in the near-real-time stream. Passive optical channels use 500 m solar and 1 km thermal sampling with nadir and oblique views. Radiometric calibration, channel-specific geolocation and quality flags apply; brightness temperature is not a retrieved land or sea surface temperature.","tasking":false,"tier":"raw","title":"Sentinel-3 SLSTR Radiance and Brightness Temperature (NRT)"},{"access":"free","access_methods":[{"kind":"https","notes":"Preferred NASA publisher discovery. Public metadata does not bypass Earthdata download authentication.","url":"https://search.earthdata.nasa.gov/"},{"collection":"GEDI01_B_003","kind":"stac-api","notes":"Verified populated primary publisher collection on 2026-10-04. Native metadata license: CC0-1.0. Product-specific citation, quality and Earthdata download authentication apply. Preserve native polygons and observation intervals; index only requested metadata pages while HDF5 assets stay remote. Granule scope is distinct from individual shot locations and valid observations; source gaps and publisher timestamps must be considered.","url":"https://cmr.earthdata.nasa.gov/stac/LPCLOUD"},{"kind":"https","notes":"Primary NASA Version 3 product definitions, data citation, known issues, mission acquisition gaps and provider documentation links.","url":"https://data.nasa.gov/dataset/gedi-l1b-geolocated-waveform-data-global-footprint-level-v003"}],"all_weather":false,"bbox":[-180.0,-54.0,180.0,54.0],"category":"imagery","end":null,"formats":["STAC","HDF5"],"gsd_m":null,"id":"nasa-gedi-waveforms-v3","instruments":["GEDI"],"keywords":["earth-observation","primary-source","stac","GEDI01_B_003","GEDI","active optical","lidar","laser","25 m footprint","version 3","waveforms-v3","waveform","calibration"],"latency_hours":null,"level":"L1B","license":"provider-terms","modalities":["lidar"],"night":true,"platforms":["ISS"],"pricing":null,"provider":"nasa","provider_name":"NASA Earthdata","revisit_hours":null,"score":1.0,"start":"2019-04-04","summary":"Geolocated transmitted and received GEDI laser waveforms from the International Space Station. These active optical LiDAR measurements precede the derived elevation, canopy structure and biomass products; waveforms are not optical images or a continuous terrain model. The nominal 25 m laser footprint diameter is not image GSD, and granule polygons are not individual shot locations. Native metadata intervals and footprints remain unchanged; acquisition gaps include the March 2023 to April 2024 mission hibernation. Publisher archive availability is not a freshness or real-time service guarantee.","tasking":false,"tier":"raw","title":"GEDI L1B Geolocated Waveform Data Global Footprint Level V003"}],"returned":39,"total":39}