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Hello, The LAADS DAAC would like to request following keywords: 1. GCMD Platform Keyword: Short Name: Sentinel-3C Long Name: Sentinel-3C Documentation: https://database.eohandbook.com/database/missionsummary.aspx?missionID=579 2. GCMD Project Keyword: Short Name: S3_OLSL Long Name: Sentinel-3A+ Sent...

We tried your query and was able to submit an order without any issue (see attached), so could not reproduce the error.

The VJ214IMG is now available from LAADS at:
https://ladsweb.modaps.eosdis.nasa.gov/api/v2/content/archives/allData/5200/VJ214IMG/

The VJ214IMG is not available right now from LAADS web but should be available soon (probably within next couple of days). However, if you need urgently you can access from LP DAAC at: https://search.earthdata.nasa.gov/search/granules?p=C2831626262-LPCLOUD&pg[0][v]=f&pg[0][gsk]=-start_date&a...

Dear Aakash Kumar: See our response in blue: I would like to seek clarification regarding the cloud variable "Cloud_Effective_Radius_Uncertainty" in the MYD06_L2 product. In the documentation, it is described as: "Cloud Effective Particle Radius (from band 7) Relative Uncertainty (Per...

Can you provide more context to this request and also who did you contact in the LAADS infrastructure team? This is a Land product and LP DAAC is the primary provider of all Land products, see:
https://www.earthdata.nasa.gov/data/catalog/lpcloud-mcd43a3-061

Dear Marco Laiolo: That occurs when the calibration team schedules periodic warm‑up cool‑down (WUCD) activities for calibrating the blackbody, which generally last for 2–3 days. NOAA‑20 (VJ1) VIIRS performed its annual two‑day emissive band calibration (blackbody WUCD test) on 3/3–3/5. NOAA-21 (VJ2)...

Yes, your assumption is correct. There is no VNP21IMG product available.

Near Real Time (NRT) data are available for only current and six to seven previous days. For long term data you can explore regular products from ladsweb: https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/5200/ or https://www.earthdata.nasa.gov/data/catalog?keyword=VNP21&data_center_h[]=Lan...

See:
https://ladsweb.modaps.eosdis.nasa.gov/alerts-and-issues/171679
and
https://ladsweb.modaps.eosdis.nasa.gov/alerts-and-issues/171685

You need to try the latest version at:
https://ladsweb.modaps.eosdis.nasa.gov/archive/allData/5200/VNP46A2