[App_rpt-users] RTCM Simulcast question

[Jesse Lloyd]

You need both 1 pps and Rx GPS data to the RTCM

Cheers,
Jesse

> On Jun 4, 2016, at 6:03 PM, Joe Moskalski <kc2irv at gmail.com> wrote:
> 
> I will be setting up a 2 site UHF simulcast system in the coming months and so far I have only one question to ask. The RTCM manual is a little vague on the GPS part of the setup. Normally, with other types of radio simulcast products (which I am very familiar with several) all you need to properly time the audio is a 1 pps signal from the GPS reference. The RTCM manual makes mention of the NMEA/TSIP data being connected but does not explicitly say if that serial data is needed or if only the 1 pps is needed for simulcast operation. From the other simulcast products I have worked with, you set your bulk delay to a value larger then the delay required for the furthest site and the system will adjust. Does the RTCM version of simulcast work the same way? I just want to be sure because this will determine what type of GPS locked reference oscillator I choose for the project. 
> 
> Regards,
> KC2IRV
> -Joe
> 
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