--- jhaynesatalumni <[EMAIL PROTECTED]> wrote:
> Does anyone know what of Pactor I/II/III is covered > by patents > versus what is proprietary information, or trade > secrets? With > patents there is at least supposed to be full > disclosure of how > the thing works; and patents have a limited > lifetime. How long is it? 20 years? 75 years? Is it reasonable to wait? > Then we have talked about STANAG-xxx and MIL-STD-xxx > and presumably > those protocols are published and are open for > implementation. > Whether they are appropriate for amateur radio is a > different > question. If they are open (I so far don't know) maybe cutting some corners (like it was done with the X.25 protocol) could be appropiate. > Then you can look at web pages for vendors like > Rockwell-Collins > and see that they are offering e-mail between > airplanes and ground > stations, and that sort of thing. Are they using > the published > protocols or something proprietary? Airplanes are using HFDL on a network owned by ARINC. > One reason for adopting STANAG-xxx is to permit > interoperation with > non-amateur services, should that become necessary. > Another reason > is that those schemes are developed for agencies who > can pay big > bucks for the best that can be achieved, so they are > likely to > be technically superior to things independently > invented. Although > amateur radio may involve a niche - maybe we want a > technically > superior way to do what the agencies using > STANAG-xxx don't > want to do. STANAG or alike could be a wise alternative for us hams. 73 de Jose, CO2JA __________________________________________________ Do You Yahoo!? Tired of spam? Yahoo! Mail has the best spam protection around http://mail.yahoo.com Need a Digital mode QSO? Connect to Telnet://cluster.dynalias.org Other areas of interest: The MixW Reflector : http://groups.yahoo.com/group/themixwgroup/ DigiPol: http://groups.yahoo.com/group/Digipol (band plan policy discussion) Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/digitalradio/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/digitalradio/join (Yahoo! ID required) <*> To change settings via email: mailto:[EMAIL PROTECTED] mailto:[EMAIL PROTECTED] <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
