On Thu, Feb 21, 2008 at 10:26 AM, Earl Needham <earl_needham at yahoo.com> wrote: > Kantronics KPC-3+ (TNC) (what? Maybe $200 now?) A Tracker2 is cheaper and _far_ more advanced for APRS use. A sound card interface can be cheap, but getting one to work is the single most frustrating thing I've every done with ham radio. -Jason kg4wsv