2008-2012 VIPER Discussion (Archive)

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randyK

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Finally heard some audio of the new TG #4176. It is now digital & sounded like some kind of law enforcement surveillance operation.
 
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ou99

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Davidson
A little help please

I am finally getting around to setting up Viper on my 396Xt. Still trying to grasp all the fine points of Smart Zone. Specific to Viper, I am halfway between Huntersville and Mooresville in Zone 2.

If a radio on a TG is affiliated with Mooresville and another on that TG affiliated with Huntersville, everything to/from either will be transmitted by both sites. Correct?

On the other hand if there were no radios on that TG affiliated with the Huntersville site the Mooresville radio would then be transmitted only to/from the Mooresville site and nothing on that TG to/from the Huntersville site. Correct?

Too simple? or a "no brainer"? There is a ton of info around but Smart Zone is so flexible that everything seems to boil down to how the system is configured.

Along that same line with intra-zone I would guess some radios and some TG's are authorized in certain zones only, some in two or more and statewide radios or statewide TG's being all four. Correct again?

There is no shame in ignorance, only in being too stupid to admit it and ask!
Thanks in advance for your help and patience.
 

richardbritt

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Hi Larry,

I found a good post written by Marshall earlier that might answer your questions. I'll repost it here:

"Let's say I am a Raleigh PD officer and I carry my handheld radio up to Greensboro. While in Greensboro I turn my handheld radio on to Raleigh PD District 21 Dispatch. My Handheld radio will "Affiliate" or start receiving and transmitting off the closest VIPER tower site in Greensboro. That means that Myself and anyone else monitoring that specific tower site will start hearing Raleigh PD dispatches in Greensboro! Now as soon as I turn my radio off or my radio goes out of range of that tower site then I will no longer hear Raleigh PD in Greensboro. This is an oversimplification but shows you how if someone has a VIPER radio parked on an out of area talkgroup you can start to hear interesting stuff! The main feature of Roaming in a smartzone system is so that a user can roam from one end of the state to the other and use 1 radio and be able to talk back to their original starting location. There are limitations such as whether a talkgroup is provisioned as a local or systemwide talkgroup in the computers that control the system. To keep systems from getting overloaded, system admins can set a talkgroup up as a local only talkgroup. How many times would a Zebulon (Wake County) Parks & Rec person need to talk in Charlotte? None! So that talkgroup is local only.
Feel free to study up on Smartzone trunking systems in the Radioreference.com Wiki linked at the top of the page. There is a ton of good info there.
Let us know what you hear and let us know if you have questions!"

Hope this helps some. Feel free to ask more questions if you like. The WIKI probably already has the answer, I for one asked tons of questions and most of the common answers are on there already.

We are here to help too, of course.

73

Riichard in Chowan County
 

hamstang

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Feb 27, 2002
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Charlotte NC
Nc doc statewide # 2 on the air tg# 42720 doing radio checks with other doc sites
My BCD996T stops on 42720 but all I hear is what sounds like control channel data bursts. I am using the RR database and freescan to program the radio. Why am I not hearing any speech?
 

KE4ZNR

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Raleigh, NC
Hey everyone,
for the duration of Hurricane Irene if you would please
keep WX related monitoring posts to the Hurricane sticky thread I would
appreciate it. Just makes keeping track of Hurricane related radio
info easier.
Thanks!
Marshall KE4ZNR
 
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richardbritt

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Corrections heard in Tyrell County

Heard TG 42720 today doing a radio check on the site in Columbia in Tyrell County. I have never heard any corrections comms from there before.

I heard some more conventonal comms as well and will post them in the hurricane area (being in the direct path of the hurricane has some advanvages I guess- good for scanner listening)

73

Richard W4MCD in Chowan County
 

GB1952

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Some viper tower outages in eastern part of the state,raleigh has taken over dispatching some b trp cars
 

richardbritt

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Power has been off all night and today and is on but blinking now. Please repost my posts to the hurricane forum.I might lose power and cant.

thanks

452.175 123pl is North Carolina Power Elizabeth City Switching talking to line crews
 
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