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