Rein PA0R
Great, never noticed that. Does it work with fldigi as a server ? is
there a TCP/IP stack in pskmail ? (There might be something I did not
understand... )
Le 06.10.2012 10:06, Rein Couperus a écrit :
> Remi,
>
> you can run a telnet session on HF with any pskmail client.
> Just choose any pskmail server you can reach and start the telnet
> session with Ctrl-T.
> See the screenshot...
>
> Rein PA0R
>
>
>
>
> Funny, I was thinking about a similar idea ut for a very different
> purpose. My goal was to run very slow Telnet sessions on any
> HF-protocol, like these VT terminals we had in the 80s.
>
> The implementation would have been to use any fldigi modem by wrapping
> them in a Hayes-compatible serial port, so that any modem could be used,
> with any software plugged on a tty modem.
>
> One of the difficulties would indeed have been to devise a simple
> protocol to send/receive non-alphanum characters such as '@', '<SOH>'
> etc... with Morse or Baudot, so that even PPP could run on this serial
> port. A simplistic solution would be to use strings such as " at ", and
> if these strings appear in the text to transmit, just escape them. This
> is an ultra-classical solution.
>
> Another problem is to implement a simple protocol for error detection,
> such as asking for the retransmission strings, or maybe substrings only.
> For my personal need, it does not have to be fast (75 bauds or 50 bauds
> are perfect) so retransmitting is OK.
>
>
>
>
> On Fri, Oct 5, 2012 at 2:53 PM, Rein Couperus <rein@xxxxxxxxxxxx> wrote:
>
> Being a 'CW only' operator, this idea has been one of my pet
> projects for some
> years... I am thinking about a 'simplified' way to handle this, not
> a full ARQ
> protocol. I must admit that it is not highest on the todo list, but
> I might come up
> with some useable code next winter season...
>
> Some ideas which are on my 'would be nice' list:
> * Use a Coherent CW modem for a super sensitive link mode on a
> frequency
> in the CW portion of the band, running slow but full ARQ pskmail...
> Using multiple CW characters to form the complete ASCII 7 set...
>
> * Theoretically you could now already send short emails without ARQ
> connect
> using the unconnected APRS email service in pskmail... just switch
> fldigi to
> receive CW... (only trouble are the '@', '<SOH>' and '<EOT>'
> characters...).
>
> * A separate version of PSKmail called 'CWmail' could use 90% of the
> pskmail
> system infrastructure with a specialized protocol, and run in the CW
> band.
>
> *ARQ by ear... using your keyer to ask for a repeat...
>
> ... Meanwhile you can of course use Andpskmail without a laptop
> using your
> android phone... makes your backpack a lot lighter in weight :-)
>
> One other idea I have to make the transceiver smaller and lighter is
> to use a straight FSK mode on an Xtal controlled transmitter...
>
> I will take a few extra beers tonite, and do some more thinking :-)
>
> To realize all these goodies we will need some coding help (Perl for
> the server),
> as the pskmail project is not finished yet...
>
> 73,
>
> Rein PA0R
>
>
>
>
>
>
> I love the idea to get portable operators connected!
>
> vy 73 de Marcus KD0JKM
>
>
> -------
> Sent from my Mobile, please excuse typos.
> Phone: 314 884 8697
>
> On Oct 5, 2012, at 7:30, Daniel Arseneault <danielarseno@xxxxxxxxx>
> wrote:
>
> > Hi guys,
> >
> > Just for the sake of discussion, what would you think of adding an
> > amazing new mode to pskmail: CW.
> >
> > Actually, I'm serious. I'm thinking of a CW-to-email gateway that
> > would listen for keywords and message body text sent in CW. This
> would
> > allow mobile ops who can't pack a laptop and ssb transceiver to send
> > and receive short emails. Error-correction would be to simply play
> > back the email address and message, one line at a time waiting for ok
> > confirmation from the client. Full QSK servers could receive
> > corrections simultaneously as the message is played back, There could
> > be address books, custom abbreviations, heck even webpage fetching
> > (short webpages...), there are all kinds of possibilities. All of
> this
> > done live between a human and a computer.
> >
> > Here's another discussion on this topic:
> > http://www.eham.net/ehamforum/smf/index.php?topic=77975.0
> >
>
>
>
>
