Search found 171 matches

by LAADS_UserServices_M
Wed Jan 25, 2023 12:58 pm America/New_York
Forum: Questions/Comments
Question: Data Download of VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night NRT
Replies: 1

Re: Data Download of VIIRS/NPP Daily Gridded Day Night Band 500m Linear Lat Lon Grid Night NRT

You are getting this error probably because you are not logged in to NRT system. So, to download your files: - Open a tab on your browser then go to: https://nrt3.modaps.eosdis.nasa.gov/ and, log in under profile using Earthdata credential (UN and PW). Then go back to the website you were download t...
by LAADS_UserServices_M
Tue Jan 17, 2023 7:59 am America/New_York
Forum: Questions/Comments
Question: Error 404 download VNP46A1
Replies: 1

Re: Error 404 download VNP46A1

Can you please specify how you are download data, which URL?
by LAADS_UserServices_M
Wed Jan 11, 2023 8:44 am America/New_York
Forum: Questions/Comments
Question: Geolocation of VNP09 data
Replies: 3

Re: Geolocation of VNP09 data

Good to know that you were able to resolve the issue. A science member mentioned this GDAL utility to change the format of the MCD19 (MODIS) products to a tiff:
https://www.igismap.com/convert-hdf5-to-geotiff/
by LAADS_UserServices_M
Wed Jan 11, 2023 8:02 am America/New_York
Forum: Questions/Comments
Question: Difference at 4 decimals of geolocation files
Replies: 3

Re: Difference at 4 decimals of geolocation files

Hi Hanzhi:
Sorry for the delay in response. Can you please explain your question "... impact of this difference from two source of MODIS geolocation files will be for other MODIS products.", which other MODIS products, from LAADS or from OB DAAC?
by LAADS_UserServices_M
Tue Jan 10, 2023 9:03 am America/New_York
Forum: Questions/Comments
Question: Geolocation of VNP09 data
Replies: 3

Re: Geolocation of VNP09 data

Dear Colin,
We don't have resources to help you with GDAL however you can explore HDF-EOS TOOLS AND INFORMATION CENTER website (http://hdfeos.org/index.php) for information and examples about HDF-EOS and about tools available to view or work with HDF-EOS and other NASA HDF files.
by LAADS_UserServices_M
Tue Jan 10, 2023 8:42 am America/New_York
Forum: Questions/Comments
Question: Ladsweb download problems
Replies: 3

Re: Ladsweb download problems

No, these tokens do not expire.
by LAADS_UserServices_M
Fri Jan 06, 2023 10:33 am America/New_York
Forum: Questions/Comments
Question: Ladsweb download problems
Replies: 3

Re: Ladsweb download problems

Dear Simon: Are you using Earthdata Login token or LAADSWeb login token in your download script Authorization header? Earthdata login tokens will not work with any of our sites. You need to use a LAADSWeb token when you send the Authorization headers in your scripts. We are working with Earthdata to...
by LAADS_UserServices_M
Fri Dec 23, 2022 8:22 am America/New_York
Forum: Questions/Comments
Question: 502 bad gateway download data
Replies: 3

Re: 502 bad gateway download data

The data download issue is fixed so you should be able to download data now.
For all LAADS DAAC news and alerts visit:
https://ladsweb.modaps.eosdis.nasa.gov/ (see alerts at the bottom of the page)
by LAADS_UserServices_M
Thu Dec 22, 2022 7:46 am America/New_York
Forum: Questions/Comments
Question: 502 bad gateway download data
Replies: 3

Re: 502 bad gateway download data

Yes, this is a known issue and our web team is looking into it. Hopefully this issue will be resolved soon.