Do any of you old-timers know of Robert Weitbrecht, W6NRM? The AWA Museum has been offered a tube-type AFSK TU built by him. I need to convince the Museum Curator that it is a significant piece of history. There is a picture of the unit and short description at : http://webpages.charter.net/123goto/w6nrm_2.jpg TNX & 73 Duncan