Found a TS-25 & a RS-25 RX/TX pair near Noble, GA today. These seem to be a xtal-controlled ship-shore pair made ~1940. All capacitorw were Oakland, CA Girrard-Hopkins which were in 1st HP 200s. TX uses 807 & 2 6L6 mod.s. TX & RX xtal controlled w. on 4 chan.s w. great big FT171 xtal,s Tho look to be pre-WW2, each has MFP '51 stamp. Go figure. C'mon left coasters Marty