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 <kt9ac@ameritech.net> 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
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Date: Mon, 22 Mar 2010 13:42:50 -0500 From: kt9ac@ameritech.net To: telesistant@hotmail.com CC: app_rpt-users@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
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Date: Sat, 20 Mar 2010 20:17:52 -0500 From: kt9ac@ameritech.net To: App_rpt-users@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@qrvc.com http://qrvc.com/mailman/listinfo/app_rpt-users
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