Bert, You forget TWO Important Facts that didn't occur to you before you wrote that. 1. GMRS is intended to be a Short range communication service, Not meant for nationwide comms. 2. you Only have 8 Repeater pairs in which to operate repeaters on, which is approx. 180 mhz. bandwidth. WHY would someone 200 miles away have to be Forced to listen to traffic by a couple of operators on a linked system, not even in their area ? After you get 4 or 5 Linked networks across the U.S. saturating the 8 Repeater pairs we're allowed to use for the entire country, the signal to noise ratio goes UP, sometimes even creating interference for low power or Local repeaters.
My suggestion to you, is IF you want to enjoy Long Distance Comms state to state, maybe take the test for your Technician Amateur Radio License, then you could operate on Many of the LEGAL Linked repeater systems we're Allowed to operate ? Both the Two meter and 70 Centimeter { Vhf and Uhf } bands have More than enough Bandwidth to support many Linked systems. Gmrs does Not have the Bandwidth needed to allow linking.
I hope this sheds some light for you.