Oconto Co 154.7550 P25

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newald

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Good news folks, it appears the full-time use of encryption is over. Since at least last Thursday, the Sheriff's Dept has been transmitting clear digital about 50% of the time. Dispatch is usually clear and mobiles are usually encrypted.
 

djeplett

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Makes sense as the mobiles would be transmitting the sensitive info. (DL#, SSN#, etc.)

Now all I need is a digital scanner. ;)
 

djeplett

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Mobile reads DL# encrypted...
Dispatch reads who it is in the clear...

Mobile reads SSN# encrypted...
Dispatch reads whom it is in the clear...

You'll know the subject's name, but you will not have been able to copy the number associated with them...
 

OpSec

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I read more DL#'s back to the cars than they read to me, same holds true with SSN's but I personally make it a point to send those via computer when I can.

My point was dispatchers transmit the same amount, if not more, "sensitive" data as the cars do.
 

djeplett

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stateboy said:
I personally make it a point to send those via computer when I can.
That's a great policy. If I get pulled over I hope you're working. :D
stateboy said:
My point was dispatchers transmit the same amount, if not more, "sensitive" data as the cars do.
If that is how Oconto county is then the only reason the mobiles would transmit encrypted more often must be out of forgetting to turn it off I guess. You hope they're not just ordering lunch. ;)
 

RevGary

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Whatever happened to MDT's to get that 'sensitive' data yourself ?
 

triryche

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DL information is not considered "sensitive" secure information since most of it is public record. SS#'s and such maybe but vehicle registration, driving status, criminal history, warrants, etc. are all public information and not one of the reasons law enforcement generally encrypts radio traffic. Oconto's reasons for full encryption since the onset were more political than anything else.
 

rescue7043

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OK, here is the scoop from Fire/EMS as to what is and what is not happening with Oconto Co.

Upon approval of this new radio communications system, it was agreed that Dispatch would TX on their P25 w/ encryption & on the Analog Freq. The reason for this (eventhough they will never admit it) is because Dispatch will send a Sheriff's Deputy to an accident scene before they even think about paging out Fire/EMS for any injured parties. After the system was installed and everyone was switched over to the new freqs. etc. Dispatch was only TX on the P25 w/encryption. We went back and forth about this issue many times, and the Sheriff told us that BayCom is telling them that it is impossible to transmit on Analog and Digital at the same time. **I personally called Outagamie Co. and asked them to send me a letter stating that they have the ability to TX on Analog and Digital anytime they want to. (I've heard it myself) BayCom is even the company that set up their dispatch console to allow them to do this. Oconto Co. Sheriff's Dept. still stands strong saying that it is impossible to do.** Oconto County CAN TX on Analog & Digital at the same time.. But, Oconto County WON'T! I think this is their way of 'sticking' to their word by telling us that we can hear their transmissions. Now that Mountain Ambulance Service has just gotten finished getting rid of any old radios (anything Motorola, and with 8ch. or less) and just purchased a lot of Kenwood Radios, we are now told that we have to buy P25 compliant radios if we wish to hear what dispatch is TX on F1


On a side note.. Patrol Cars even have a seprate Encryption on their F1 P25 that only they can hear, that leaves everyone in the dark, even dispatch!!

I saw someone mention MDT in this thread earlier. Oconto County does not have any computers in their cars, all communication is done via Radio or Cell Phone.
 

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It is not possible to transmit an analog and digital signal on the same freq at the same time, but it is possible for the freq to be set up as "mixed mode" which allows radios to receive either analog or digital signals regardless of what they are transmitting.

Does the county have two seperate freqs (one analog and one digital) that the dispatchers can similcast on from the dispatch center?
 

rescue7043

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My Appologies, I did not clairify on that subject. Currently the County uses 2 Frequencies for LE F1 (154.755 P25 Freq. Used ONLY for Oconto Co. Sheriff's Dept.) And F2 (155.430 Analog Freq. Used for all other City Squads in the county)

Sheriff is telling us that it is impossible for them to broadcast on F1 & F2 at the same time. Everyone in the county knows better, and when I showed him the letter I had from Outagamie Co. stating that they have the ability to do so it rendered him speechless. Basiacally caught him in his own lie, but none the less, they still haven't programmed their system to do so.
 

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If the county only has one pyshical base station, then no they can't transmit on two freqs at the same time. However, if they have more than one base station that have seperate antennas or are run into a combiner, they could transmit on both at once.

How the dispatch console is configured also comes into play here, since simulcasting needs to enabled in the console before the dispatchers can push buttons to make it work.
 

rescue7043

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The console CAN be configured to do so.. It HAS been, BayCom (the company who sold and installed this new communications system) has been on it and when they were testing everything were broadcasting on Digital and Analog at the same time. Sheriff had them take it off because he wants everything with the SD to be a big secret.

As I stated before Patrol Cars have a seperate encryption that only they can hear and Dispatch can not. From talking with the lead Dispatcher for the county, she said that it is very irritating when she sees a patrol ID pop up on her computer screen when he Transmits but she hears NO audio. When this happens, the units are on their 'PRIVATE' channel. When they go to the regular encryption, their unit display shows up on the computer screen, and all audio is heard.

Sheriff just wants everything to be 'TOP SECRET'
 

triryche

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aside from all this for just a sec, I am just wondering what the original poster is using to decode this.. I am unable to get the BC996D to decode any of the digital traffic on 154.755. It does nothing, similar to what it does when trying to decode Menominee Co. WI. At least with Marinette & Forest, I get an ENC on the display for the nondecodable..
 
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