At 02:39 PM 12/10/2006 -0700, David Forbes wrote: >Jason, > >I'm no expert at these devices, but here's what I've learned in the last year: > >The Ball/Efratom FRK is the oldest design that's commonly available. Where does the M-100 fall, relative to the FRK and FRS? (My M-100 has a 1990 date code.) -- newell N5TNL