[App_rpt-users] Maxtrac as a remote base

Brian Kassa brian at kastar.org
Wed Sep 29 12:34:51 EDT 2010


I have been thinking about this for a long but have yet to start building out a system.  My need is for three commercial, frequency agile (pre programmed is fine) radios on a mountain top site connected back civilization via a long haul wifi connection.  I looked at the Maxtrac due to it's cost and 16 pin connector. For commercial service it is wideband only and does not have what I call a good method of changing channel.  If you move up to a GM300 or CDM you get the same 16 or 20 pin connector but 4 of those pins will switch frequency based on logic levels on those 4 pins.  I think the URI has 3 pins available so I could switch to 8 channels on the radio.  There are other radios that have this as well like Icom repeaters and Kenwood tk-X90 (6 low 7 VHF 8 UHF)

I had always assumed that this functionality was available in app_rpt.

Brian Kassa

On Sep 29, 2010, at 11:18 AM, "Corey Dean  N3FE" <n3fe at repeater.net> wrote:

> Thanks Jim!  I know of two others that are VERY interested in this as well.  They want to use theirs for the same thing as well as latching the outputs for fans.
> 
>  
> 
> If this is doable I may just plan to put my RVS8 voter on the app_rpt machine as well.  That would give me the option of remotely disabling a receiver.
> 
>  
> 
> Corey  N3FE
> 
>  
> 
> From: Jim Duuuude [mailto:telesistant at hotmail.com] 
> Sent: Wednesday, September 29, 2010 12:12 PM
> To: Corey Dean N3FE; app_rpt mailing list
> Subject: RE: [App_rpt-users] Maxtrac as a remote base
> 
>  
> 
> That's an interesting question. Obviously the USB device has a couple of outputs on
> it that certainly could be accessed by the chan_usbradio and/or chan_simpleusb
> modules and controlled through app_rpt. The URI was also designed with this in
> mind, being that we brought all the outputs out to the connector.
> 
> In nearly 10 years that this project has been going on, you are the FIRST person to
> even ask this question or show any interest in using these outputs. This is the main
> reason why I never bothered to implement this functionality.
> 
> Sure, it can be done. Yeah, Ill work on this. Heck, even if you're the only person that
> ever uses it, at least you can benefit from the work involved.
> 
> JIM WB6NIL
> 
> > Date: Wed, 29 Sep 2010 10:05:21 -0400
> > From: n3fe at repeater.net
> > To: app_rpt-users at qrvc.com
> > Subject: [App_rpt-users] Maxtrac as a remote base
> > 
> > I have been up and running now for about a month. I have added a
> > maxtrac radio to use as a remote base. On my other controllers I would
> > pulse a line to ground momentarily to move the channel up or down. I
> > have done some reading and I haven't seen anything that talks about
> > app_rpt doing this.
> > 
> > Does asterisk/app_rpt have the ability to work with outputs? What would
> > need to be done to be able to do something like this if something isn't
> > already in place for it?
> > 
> > Corey N3FE
> > 
> > 
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