I wrote: >If an installation consisted only of the R-108, RT-66, PP-109/112, >and no RT-70 or AM-65, then it was mounted on the smaller >MT-327/GR mount and called the VRC-8. That should have been "VRC-16" >For the large MT-297 mounted systems, starting with a GRC-3, 5, or 6: That should have been "GRC-3, 5, or 7:" 73, Mike / KK5F