[digitalradio] Re: The digital throughput challenge on H
Those are all low-occurrence events that could be implemented with one-to-one messages with no significant performance degradation. One-to-one messaging with ARQ would seem optimal. KISS, remember? 73, Dave, AA6YQ --- In digitalradio@yahoogroups.com, "DuBose Walt Civ AETC CONS/LGCA" <[EMAIL PROTECTED]> wrote: > > New/updated Routing Information...station availibility, frequency changes, etc? Currently in NTS called net bulletins. > > 73...K5YFW > > -Original Message- > > "...under what circumstances would a message transport layer > require one-to-many transmission? > >73, > Dave, AA6YQ > 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/ <*> 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/
RE: [digitalradio] Re: The digital throughput challenge on H
New/updated Routing Information...station availibility, frequency changes, etc? Currently in NTS called net bulletins. 73...K5YFW -Original Message- "...under what circumstances would a message transport layer require one-to-many transmission? 73, Dave, AA6YQ 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/ <*> 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/
[digitalradio] Re: The digital throughput challenge on H
If messages to N recipients are converted to N messages to 1 recipient, under what circumstances would a message transport layer require one-to-many transmission? 73, Dave, AA6YQ --- In digitalradio@yahoogroups.com, KV9U <[EMAIL PROTECTED]> wrote: > > Chris, > > There are several amateur radio to e-mail systems available now and they > all use ARQ. > > For sending a shared resource, such as is done all the time on SSTV, the > stations are often using WinDream or Hampal which allow you to send out > replacements for bad segments. It can be time consuming, but it will > allow for perfect copy on the receiving end without repeating the entire > data stream. > > The timing issue for ARQ has been solved for the PC side. And most any > rig would be able to handle it easily. The one exception was Amtor and > that is pretty much obsolete as an ARQ mode as it only transmitted three > characters on each "chirp." > > 73, > > Rick, KV9U 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/ <*> 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/