This command uses what the WMO calls "Coordinate descriptors" to create new arrays (lists) in the JSON format. See section 3.1.2.2 of the WMO BUFR guide here

This command uses what the WMO calls "Coordinate descriptors" to create new arrays (lists) in the JSON format. See section 3.1.2.2 of the WMO BUFR guide here:

https://www.wmo.int/pages/prog/www/WDM/Guides/BUFRCREX-Layer3-English-only.pdf

This means we create a new JSON list/array for descriptors in classes 00 to 09. For other descriptors, we stay in the same list/array. When a descriptor from class 00 to 09 re-appears, we close all the lists/arrays up to the previous occurrence of the same descriptor.