[App_rpt-users] Radio TX / RX oscillation and APRS questions

[Doug Crompton]

Wade,

  You  mentioned you set all duplex=0  then you said you were not able to find the rpt.conf file.  There is a duplex=  in that file in the node section that needs to be set to either 0 - simplex, no telementry or courtesy tones or 1 - simplex, with telemeter and courtesy tones. If this is not set to simplex and you are using a single transceiver the COS/COR or carrier/signal detect will key the PTT and you will have a race condition. The default is duplex=2 which is the commonly used value for repeaters.

rpt.conf is (should be) in the /etc/asterisk directory.  If for some reason it is not there look for a sample rpt.conf in /usr/src/astsrc/asterisk/configs/ 

I am not sure what percentage of users configure as repeaters vs. simplex nodes but maybe it would be a good idea to default this value to 0  or 1 as so many including myself get burnt by this. Also there should be a sentence about this in the quick install instructions. 

73 Doug
WA3DSP
http://www.crompton.com/hamradio


> From: asylthe at kc9ona.com
> Date: Sun, 10 Nov 2013 08:38:22 -0600
> To: wadeo at charter.net
> CC: app_rpt-users at ohnosec.org
> Subject: Re: [App_rpt-users] Radio TX / RX oscillation and APRS questions
> 
> carrierfrom=usbinvert
> 
> Sent from my iPhone
> 
> > On Nov 10, 2013, at 1:24 AM, wade <wadeo at charter.net> wrote:
> > 
> > Good evening all,
> > 
> >    I have a couple of questions here. I just setup my AllStar node today. After hours digging through the sites and getting the files setup correctly I have ran into a problem I can not figure out. My radio that is hooked up to my AllStar adapter keeps oscillating between TX & RX non stop. I have set every instance of duplex I could find to Duplex=0. I have also set carrierfrom=usb. This radio is a Radius UHF Mobile. I have double checked the wiring connections and all is good.
> > 
> > I am having difficulty in finding just where the rpt.conf file I am to be modifying actually is. The usbradio.conf file I changed was located at /etc/asterisk/usbradio.conf.
> > 
> > My second question is where is the APRS file located at? I have seen instructions and they have all said /etc/asterisk/gps.conf. is the location. When I look there it is missing. Has something changed that moved the file elsewhere?
> > 
> > I am kind of new to this whole linux thing and may need a little extra assistance in getting to where I need to be. So far it has been fairly easy with the limited linux background that I have.
> > 
> > I hope I have given enough information to help figure this all out.
> > 
> > Thanks!
> > 
> > Wade Oestreich
> > KC0MLT
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