Questions about GATRRS

KI5IRE

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Jun 28, 2016
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Johnson County, TX
What sites do the interop talkgroups come through on the GATRRS? I am programming for the Austin Metro and was curious if its only specific sites or not.

Also, Does WilCo or any of the other outlying counties come across any sites other than their simulcast sites? Is Austin/Travis Co. public safety heard on anything other than Simulcast 1?
 

KTR722

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Jun 28, 2016
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If you are referring to the Regional Interops, technically they are requred to be programmed into every radio on the GATRRS system and, therefore, will be used on ANY site that has a radio affiliated with them on that TGID when they are in use.

Just so you are aware, the current Interop lists on the RR database are not completely correct; I have been trying to figure out the best way to submit a ticket on this but this is probably a topic for a different discussion because there are County-wide interops as well as Regional (aka GATRRS-wide) Interops and the current database blurs the difference between the two.

Regarding your second question, Wilco will only come across the Austin/Travis County Simulcast sites when one of their radio subscribers is closer to a ATX tower than any of the wilco towers. WCEMS ambulances transporting to Dell Childrens; Round Rock FD units responding to the southern city limits, LE pursuits going cross-county or prisoner transports are the usual suspects.
 

KTR722

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Regarding GATRRS interop talkgroups:

Welcome to Austin!
 
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