ENH: specify keys (sweep_groups) which should be saved using to_netcdf (#440)
ENH: specify keys (sweep_groups) which should be saved using to_netcdf (#440)


heistermann/wradlib,heistermann/wradlib,wradlib/wradlib,wradlib/wradlib,kmuehlbauer/wradlib,kmuehlbauer/wradlib