[App_rpt-users] Non-RTCM voter, where?

Bryan Fields bryan at bryanfields.net
Wed Mar 30 12:30:16 EDT 2016


I don't believe it does.  

Does anyone have a link to the xipar source repository?   I'd like to take a look how they are doing it.  It might be possible to do it via 1588 or some other network time protocol.

On March 30, 2016 12:01:38 PM EDT, Joe Leikhim <rhyolite at leikhim.com> wrote:
>Without GPS, how does XIPAR deal with jitter and network latency?
>
>On 3/30/2016 11:25 AM, Jeff Ackerman wrote:
>> If you looking for the alternative IP voting of the varuious app_rpt 
>> flavors you can try XIPAR: http://www.xelatec.com/xipar/simplevoter
>>
>> It wont be as seamless of voting as a RTCM, but its much simpler, 
>> doesnt require anything more then PC's, the IP backhaul and usb radio
>
>> interfaces with radios capable of giving discriminator audio.
>>
>> Conventional hardware voting comparators could work but require the 
>> backhaul, which in most commercial applications is 4 wire e&m voice 
>> circuits using either tone signaling or e&m signaling. (This method
>of 
>> voting is done outside of allstar/app_rpt.)
>>
>> On Wed, Mar 30, 2016 at 8:09 AM, Joe Leikhim <rhyolite at leikhim.com 
>> <mailto:rhyolite at leikhim.com>> wrote:
>>
>>     Here are some products to start with;
>>
>>     There is the Raven M4x
>>
>>     http://www.ravencomm.com/documents/products_doc3_23.pdf
>>
>>     Raytheon JPS SNV-12 (Though the future of this product is up in
>>     the air, it was the defacto standard. Uses 600 ohm VF circuits,
>IP
>>     connectivity needs to be overlaid)
>>    
>http://www.simulcastsolutions.com/userfiles/file/appnotes/vSnv12App.pdf
>>
>>     Motorola Spectra Tac (Obsolete Now Motorola has pretty much
>>     abandoned analog FM technology. Uses 600 ohm VF circuits,)
>>    
>http://www.repeater-builder.com/motorola/spectra-tac/spectratac-index.html
>>
>>     The above voters all use some method of signal/noise voting. The
>>     JPS SNV-12 and the Raven M4X use DSP to make decision, while the
>>     Spectra Tac was pretty much an analog noise measurement vs a
>>     status tone/audio AGC level. The SpectraTac does not support
>>     non-Motorola receivers unless you know the "secret sauce" which I
>>     am privy to.
>>
>>     This site has some practical examples of projects that are
>>     simulcast, but by design incorporate the SNV-12 voters.
>>
>>     www.simulcastsolutions.com <http://www.simulcastsolutions.com>
>>
>>     Are you looking for some more in depth RF design aspects of
>>     receiver voting? I can help perhaps.
>>
>>     Joe
>>
>>     www.leikhim.com <http://www.leikhim.com>
>>
>>
>>     On 3/8/2016 5:20 AM, Steve Wright wrote:
>>
>>         On 05/03/16 06:00, mike at midnighteng.com
>>         <mailto:mike at midnighteng.com> wrote:
>>
>>             FYI There are RTCM /voter systems for app_rpt if you want
>>             to do it right.
>>
>>
>>         Is there an example voting-RX project somewhere I can read
>about?
>>
>>         Non-RTCM please.  I know about the RTCM and I'm looking at
>>         alternatives.
>>
>>
>>         Many thanks,
>>         Steve
>>
>>         _______________________________________________
>>         App_rpt-users mailing list
>>         App_rpt-users at ohnosec.org <mailto:App_rpt-users at 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.
>>
>>
>>     -- 
>>     Joe Leikhim
>>
>>
>>     Leikhim and Associates
>>
>>     Communications Consultants
>>
>>     Oviedo, Florida
>>
>>     JLeikhim at Leikhim.com
>>
>>     407-982-0446 <tel:407-982-0446>
>>
>>     WWW.LEIKHIM.COM <http://WWW.LEIKHIM.COM>
>>
>>
>>     _______________________________________________
>>     App_rpt-users mailing list
>>     App_rpt-users at ohnosec.org <mailto:App_rpt-users at 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.
>>
>>
>>
>>
>> -- 
>> Jeff Ackerman
>> kg6uyz at gmail.com <mailto:kg6uyz at gmail.com>
>
>-- 
>Joe Leikhim
>
>
>Leikhim and Associates
>
>Communications Consultants
>
>Oviedo, Florida
>
>JLeikhim at Leikhim.com
>
>407-982-0446
>
>WWW.LEIKHIM.COM
>
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>App_rpt-users mailing list
>App_rpt-users at 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. 

--
Bryan Fields
727-409-1194
http://bryanfields.net
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.allstarlink.org/pipermail/app_rpt-users/attachments/20160330/3d5ec49a/attachment.html>


More information about the App_rpt-users mailing list