I am REALLY new to the GMRS world and I would really appreciate some advice on the following questions: 1) My radios (SamCom FPCN30A) are programmable, so how do I program it so I can use a repeater in Warrenton, VA to talk to my son in Catlett, VA? Is it as simple as programming both radios to receive and transmit on the repeater frequency and tone? I am registered and I do have a GMRS license - call sign WRHT605. 2) In October I will be camping in the Colorado Rockies - camp site at 9,000 ft. There will be several of us camping, and we will be spread across several miles. There is a mountain high enough to give us all a line of site. Could I park a truck with a repeater on that mountain and thus provide a capability for all of us to communicate? Would the Retevis RT97 with a j-pole antenna do the job? Thanks for ANY advice anyone can provide. Cordially, WRHT605