John, I don't remember that the 100th meridian was considered the divider, but if you want to declare it as such -- so be it! New Mexico is a full state west of there, though, and let's not bother getting into a dogfight about whether or not the middle of the country. . . If there's a track there that we can use -- that's dandy. for that matter, the VLA antenna farm in central/west NM has lots of flat and straight roads, few of which are used. I doubt we could run there (electrical interference from ignition systems might play havoc with the radio receivers) - but what the heck - let's consider it.