what the heck is it

Curtis H. Wilbar Jr. wrote: I would look at the components to see what era they are. If it is 70's or 80's Raytheon made a lot of airline res terminal type equipment. I know that Univac / Unisys had the TWA concession and had something called UTS40 (I think) that had a z80 in it and with a huge over engineered subsystem could run CP/M But they had usually horrible com gear type hardware to do all the crap that the Reservation systems could do. Sometimes they had local data needs which had to be update, hence the floppies. Data such as flight numbers or network configuration data would be loaded locally, to save network time. This sort of fits with the 10 / 12 pitch info too, in that there would have been report / ticket generation capability by adding a printer. I found a google hit that Raytheon Data Systems was formed in 1971 by merging information processing and terminal manufacturing divisions, which I think is where the RDS comes from (obviously) Jim