From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bob Nielsen Subject: Re: AX25 socket question. Date: Tue, 16 Jul 2002 17:55:36 -0700 Sender: linux-hams-owner@vger.kernel.org Message-ID: <20020717005536.GA14695@oz.net> References: <20020716051912.28245.h010.c002.wm@mail.peoplepc.com.criticalpath.net> Mime-Version: 1.0 Return-path: Content-Disposition: inline In-Reply-To: List-Id: Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Linux Ham Radio On Tue, Jul 16, 2002 at 07:17:44PM +0100, Riley Williams wrote: > Hi Timothy. > > > Thanks for the information, I didn't realize that I would have to > > work at that lower level. But I like challenges. I'm looking for a > > book right now to get that will help explain some things to me, I > > just wish there was one specific to AX25. > > There is a book specific to AX.25, although whether it is still in print > is a good question. The book in question is "AX.25 Packet Radio Link > Layer Protocol" and explains exactly how the AX.25 protocol works. Also, > failing that, just remember that AX.25 is the LAP-B subset of the HDLC > protocol that is defined by international standard, and one can work out > the relevant details by referring to the HDLC standard and taking the > LAP-B subset whherever a choice is presented. You can find this one at ftp://tapr.org/general/ax25.doc There was an update to the specification on the TAPR web site at one time, but I cannot locate it. Possibly N8UR would know. 73, Bob -- Bob Nielsen, N7XY n7xy@n7xy.net Bainbridge Island, WA IOTA NA-065, USI WA-028S