[App_rpt-users] Anyone using MDC1200 for control?

Bob Brown - WØNQX bbrown at byrg.net
Mon Mar 22 20:51:13 EDT 2010


some info i found on the subject:

http://batboard.batlabs.com/viewtopic.php?t=36459

http://www.antistatic.org/winmdcd/

http://www.matthew.at/mdc/


--
Thanks in Advance

  Bob Brown, WØNQX

  Kansas City Metro Area

  http://sm0kenet.net

  http://byrg.net

  http://kcdstar.byrg.net

Quis custodiet ipsos custodes?



On Mon, Mar 22, 2010 at 19:26, KT9AC <kt9ac at ameritech.net> wrote:

> Great! I never expected this so quickly. I'll grab a copy, compile and
> start testing. I'll do my part and try to find online documentation
> about the data layout for MDC.
>
> Tony
>
> Jim Duuuude wrote:
> > The new version of app_rpt.c which will be posted on SVN
> > this evening contains new code (experimental at this point)
> > which allows you to put a '[mdcmacro]' stanza in your rpt.conf file
> > where the entries under it are UnitID=DTMF Tones To RUN
> >
> > So, like:
> >
> > [mdcmacro]
> > d00d=*32000
> >
> > If you have id d00d, it logs into hub node 2000.
> >
> > If you send the same ID over and over again, it ignores
> > subsequent duplicates.
> >
> > If someone would find me a full copy of the MDC-1200 command
> > set, I sure would appreciate it.
> >
> > JIM WB6NIL
> >
> >
> >
> > ----------------------------------------
> >
> >> Date: Mon, 22 Mar 2010 16:44:50 -0500
> >> From: w9drr.ham at gmail.com
> >> To: kt9ac at ameritech.net
> >> CC: app_rpt-users at qrvc.com
> >> Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
> >>
> >> Wouldn't it be better to use mdc status messages for control? The unit
> >> id is sent every transmission.
> >> You really wouldn't want a dtmf macro activated every time a unit
> >> transmits.. that could be real bad if you slip on the ptt.
> >> I can see it would be pretty easily to generate a couple commands by
> >> accident. I think MDC status messages are more
> >> up that alley.
> >>
> >> My MDC-1200 biggest wish is an "MDC squelch" that will compare the
> >> unit-ID to a list, if in the list allow the audio to repeat.
> >>
> >> A local ham repeater (fishfar) only allows access based on a known
> >> list of Unit IDs.
> >>
> >> My concept would be status-1 to enable the repeater, status-2 disable,
> >> status-3 reboot the server, status-4 enable mdc-squech,
> >> status-5 enable pl squelch, status-6 send "ffff" all call. Something
> >> like that....
> >>
> >> It would be really cool if we could also have the ability to generate
> >> MDC messages. a command like rpt mdc 2090 ffff which would generate
> >> an ffff all call on node 2090 would be really appreciated.
> >>
> >> Being able to watch the output of the decoder into a log would help
> >> find what codes are being seen.
> >>
> >> In the mean time, I recorded my ht sending the "all call" and play the
> >> wav file back. It does activate all the radios each time it's sent.
> >>
> >> --
> >> Don Russell, CBRE
> >> W9DRR - ARRL OES, Technical Specialist
> >> --
> >>
> >>
> >>
> >> On Mon, Mar 22, 2010 at 14:12, KT9AC  wrote:
> >>
> >>> Yes, that is correct.
> >>>
> >>> Jim Duuuude wrote:
> >>>
> >>>> okay, What I will do is have a list of "Unit-ID"'s that
> >>>> can correspond to DTMF macros. In other words, you
> >>>> could make unit ID 1234 be the same as pressing *32000
> >>>> or something like that.
> >>>>
> >>>> Is that pretty much what you had in mind??
> >>>>
> >>>> JIM WB6NIL
> >>>>
> >>>> ----------------------------------------
> >>>>
> >>>>
> >>>>> Date: Mon, 22 Mar 2010 13:42:50 -0500
> >>>>> From: kt9ac at ameritech.net
> >>>>> To: telesistant at hotmail.com
> >>>>> CC: app_rpt-users at qrvc.com
> >>>>> Subject: Re: [App_rpt-users] Anyone using MDC1200 for control?
> >>>>>
> >>>>> Thanks Jim for the reply and interest. Basically I just want to
> >>>>> send/decode the Unit ID that will be used as a control function (i.e.
> >>>>> macro to connect up to site "X"), activity timer (link transmit
> >>>>> authorization) or repeater access control. I like MDC since its a
> >>>>> fixed-length packet, has error-correction built-in and once
> programmed
> >>>>> in to a radio mode doesn't require using a DTMF mic while mobile.
> >>>>>
> >>>>> Tony
> >>>>>
> >>>>> Jim Duuuude wrote:
> >>>>>
> >>>>>
> >>>>>> Well, it could very easily. Im game.. (be sure you
> >>>>>> pronounce that right) :-). What kind of MDC-1200
> >>>>>> message type are you intending use (excuse the
> >>>>>> possibility of this being a dumb question, but
> >>>>>> the only thing Im familiar with MDC-1200 for is
> >>>>>> UnitID).
> >>>>>>
> >>>>>> JIM WB6NIL
> >>>>>>
> >>>>>> ----------------------------------------
> >>>>>>
> >>>>>>
> >>>>>>
> >>>>>>> Date: Sat, 20 Mar 2010 20:17:52 -0500
> >>>>>>> From: kt9ac at ameritech.net
> >>>>>>> To: App_rpt-users at qrvc.com
> >>>>>>> Subject: [App_rpt-users] Anyone using MDC1200 for control?
> >>>>>>>
> >>>>>>> Hi Everyone,
> >>>>>>> New to the group and Asterisk; got my first node online today. I
> know
> >>>>>>> there are libraries available from Matthew Kaufman for MDC1200
> decoding,
> >>>>>>> but haven't ventured into the code just yet. Does anyone have
> examples
> >>>>>>> of what works and how difficult it was? I want to simply send an
> MDC ID
> >>>>>>> into Asterisk to control my links/macros versus DTMF.
> >>>>>>>
> >>>>>>> Thanks!
> >>>>>>> Tony, KT9AC
> >>>>>>> _______________________________________________
> >>>>>>> App_rpt-users mailing list
> >>>>>>> App_rpt-users at qrvc.com
> >>>>>>> http://qrvc.com/mailman/listinfo/app_rpt-users
> >>>>>>>
> >>>>>>>
> >>>>>>>
> >>>>
> >>> _______________________________________________
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> >>> http://qrvc.com/mailman/listinfo/app_rpt-users
> >>>
> >>>
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> >>
> >
> >
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