Ed Tanton wrote: > Now there's an interesting juxtaposition of technologies!!! > > ///snip > > >I used a 255A polar relay by itself to do this same job connecting a UPI > >satellite receiver to a current loop some 15 years ago. > > > >73 de W3NU Mixing old and new technologies was a constant part of my 30 year career as a broadcast engineer. 73 de W3NU