Well, it is a generic question - any radio without COR. The specific model in my case is a UHF radio module model # SA-828U: http://www.alibaba.com/product-detail/1W-5km-distance-SA828-U-uhf_6009252488... Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: Skyler Fennell <electricity440@gmail.com> To: Steven Donegan <donegan@donegan.org> Cc: app_rpt-users@ohnosec.org Sent: Tuesday, October 6, 2015 5:47 AM Subject: Re: [App_rpt-users] Audio detection circuit to generate 'COR' http://www.aaroncake.net/circuits/vidswitch.asp That might work, I use it for packet. What radio are you on? Sent from my iPhone On Oct 6, 2015, at 6:29 AM, Steven Donegan <donegan@donegan.org> wrote: Does anyone have a circuit that will take audio from a radio and generate a pseudo COR signal for the URI-x? If so would you share the circuit diagram? TIA Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.

Thanks Steve! I'll look into that as well.  Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: Steve Zingman <szingman@msgstor.com> To: Steven Donegan <donegan@donegan.org>; "app_rpt-users@ohnosec.org" <app_rpt-users@ohnosec.org> Cc: "app_rpt-users@ohnosec.org" <app_rpt-users@ohnosec.org> Sent: Tuesday, October 6, 2015 6:06 AM Subject: Audio detection circuit to generate 'COR' Steve COR or actually RUS "Receiver Un Squelch" is available in that radio. You have to unsolder the shield to get to it. 73, Steve On 10/6/2015 8:56 AM, Steven Donegan wrote: Well, it is a generic question - any radio without COR. The specific model in my case is a UHF radio module model # SA-828U: http://www.alibaba.com/product-detail/1W-5km-distance-SA828-U-uhf_6009252488...   Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: Skyler Fennell <electricity440@gmail.com> To: Steven Donegan <donegan@donegan.org> Cc: app_rpt-users@ohnosec.org Sent: Tuesday, October 6, 2015 5:47 AM Subject: Re: [App_rpt-users] Audio detection circuit to generate 'COR' http://www.aaroncake.net/circuits/vidswitch.asp That might work, I use it for packet. What radio are you on? Sent from my iPhone On Oct 6, 2015, at 6:29 AM, Steven Donegan <donegan@donegan.org> wrote: Does anyone have a circuit that will take audio from a radio and generate a pseudo COR signal for the URI-x? If so would you share the circuit diagram? TIA   Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.

What kind of delay is there in software based VOX? I was thinking that a simple hardware circuit would be to all intents instantaneous...  Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: "mike@midnighteng.com" <mike@midnighteng.com> To: app_rpt-users@ohnosec.org Sent: Tuesday, October 6, 2015 6:01 AM Subject: Re: [App_rpt-users] Audio detection circuit to generate 'COR' This subject has come up several times this past month. The function of vox is already built-in. usbradio.conf carrierfrom=vox        ; no,usb,usbinvert,dsp,vox Perhaps I have not understood the questions correctly? But there is plenty of diagrams on a google search if you need to build one. ...mike/kb8jnm

Does anyone have a circuit that will take audio from a radio and generate a pseudo COR signal for the URI-x? If so would you share the circuit diagram? TIA Steven Donegan

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_______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.

Delay probably was the wrong question - to be more precise - if using software VOX will any part of a transmission be truncated?  Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: Skyler Fennell <electricity440@gmail.com> To: Steven Donegan <donegan@donegan.org> Cc: app_rpt-users@ohnosec.org Sent: Tuesday, October 6, 2015 6:12 AM Subject: Re: [App_rpt-users] Audio detection circuit to generate 'COR' I think any delay in software will be the same delay that you would get with using software to decode tones, etc. Sent from my iPhone On Oct 6, 2015, at 7:09 AM, Steven Donegan <donegan@donegan.org> wrote: What kind of delay is there in software based VOX? I was thinking that a simple hardware circuit would be to all intents instantaneous...  Steven Donegan KK6IVC General Class FCC License Silver State Car #86 www.sscc.us From: "mike@midnighteng.com" <mike@midnighteng.com> To: app_rpt-users@ohnosec.org Sent: Tuesday, October 6, 2015 6:01 AM Subject: Re: [App_rpt-users] Audio detection circuit to generate 'COR' This subject has come up several times this past month. The function of vox is already built-in. usbradio.conf carrierfrom=vox        ; no,usb,usbinvert,dsp,vox Perhaps I have not understood the questions correctly? But there is plenty of diagrams on a google search if you need to build one. ...mike/kb8jnm

Does anyone have a circuit that will take audio from a radio and generate a pseudo COR signal for the URI-x? If so would you share the circuit diagram? TIA Steven Donegan

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_______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem. _______________________________________________ App_rpt-users mailing list App_rpt-users@ohnosec.org http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users To unsubscribe from this list please visit http://ohnosec.org/cgi-bin/mailman/listinfo/app_rpt-users and scroll down to the bottom of the page. Enter your email address and press the "Unsubscribe or edit options button" You do not need a password to unsubscribe, you can do it via email confirmation. If you have trouble unsubscribing, please send a message to the list detailing the problem.