How to plot multiple semi-variogram from a single dataset efficiently in R?

Dear Tim, after getting lots of help from you, I was trying to plot all variogram in different plot with different name (1 variogram per plot). I was trying to naming those variogram like "variogram for 20120301 01:00", "variogram for 20120301 02:00".......etc. I improvised your code in the following way (below) but didn't get success! Is it possible to plot different variogram in different plot with different name  and save it in a single loop?  Thanks a lot for your valuable time.

a vars Uzzal 




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