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Dear CF-satellite community: The US National Science Foundation’s EarthCube program is funding a project<http://earthcube.org/group/advancing-netcdf-cf> titled “Advancing netCDF-CF for the Geoscience Community” with the aim of preparing several extensions to the current CF convention. One of the planned extensions is about storing satellite swath data in the original instrument viewing geometry (often times referred to as Level 1 and Level 2 data). This topic has been discussed on the mailing list several times in the past and this time we intend to go all the way and submit a proposal to the CF governing body. The proposal’s aim is to support as many swath types as possible for data collected by any type of instrument aboard satellites and aircraft, including unmanned aerial vehicles. This message is a request for input. In order for the proposal to comprehensively represent the current community practices in storing swath-like data we are asking for examples of your netCDF files. The best is to send us the output of a “ncdump -h” command or point us to sample files accessible via the Internet. All received samples will be added to the github.com/diwg/diwg<http://www.github.com/diwg/diwg> collection. In case of HDF5 files, send us the output of a “h5dump -A” command. The currently anticipated timeline is to prepare a draft proposal by the end of 2016 and invite community review. We will be posting important updates about the progress. Thank you! Aleksandar Jelenak, The HDF Group David Santek, University of Wisconsin/SSEC Ethan Davis, UCAR/Unidata
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