One of the evening discussions during MUD was about cheap and easy CW
IDers for beacon use or whatever.
My candidate was this CW ID'er gadget from N0XAS, a $20 kit with LOTS of
capability.
Operating parameters are set with software and a serial connection from
a PC.
<http://www.hamgadgets.com/product_info.php?products_id=64>
73, Doug Reed, N0NAS.