On Wed, Dec 22, 2010 at 4:10 PM, Mark Lunday <wd4elg at triad.rr.com> wrote: > AB5K, one of the better networks, seems to drop after 15 minutes. Are you using keep-alive? See http://dx4win.ad1c.us and find the page about DX4WIN.TCP 73 - Jim AD1C -- Jim Reisert AD1C, <jjreisert at alum.mit.edu>, http://www.ad1c.us