FIX: removed hardcoded site coordinates from plot_scan_strategy code changed the api, removing radaralt keyword and replaced it by a obligatory site parameter.
FIX: removed hardcoded site coordinates from plot_scan_strategy code
changed the api, removing radaralt keyword and replaced it by a obligatory site
parameter.

--HG--
branch : feature/georef

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