{HEAD ~ The method} 10, wherein {TAIL ~ the one or more ground stations} are collocated with terrestrial cellular sites 
wherein
{ HEAD ~ The method } 10 , wherein { TAIL ~ the one or more ground stations } are collocated with terrestrial cellular sites
HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH