Simulcast Demands SDS Scanners
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Scanner School - Everything you wanted to know about the Scanner Radio Hobby
Jul 14, 2026 · 19 min · 9 segments
Every month I answer your questions on the podcast. If you have a question you would like me to answer, please leave me a voicemail at 516-308-2885 or by visiting [www.scannerschool.com/ask]()…
Okay, well, this is kind of a limitation in Sentinel and the way things are brought into the software from Radio Reference.
So we're going to take a look at the Radio Reference database page now, and for everybody listening on an audio podcast, I am going to walk you through this.
So up on screen, we have Lumpkin County, Georgia, on the Radio Reference page, and if we scroll down, we will see a conventional frequency of 152.0375.
This is shared, as we heard before, that the sheriff and the fire dispatch both share the same frequency.
SL* means that the slot can be either slot one or slot two, but the key difference here is talk group.
You see the talk group 1007 or 1008, and what we need to do is tell Sentinel that we wanna put a talk group in on this frequency.
And unfortunately, as we'll take a look at in a second here, is that this is not easily done through Sentinel, but we can make it happen, and I'm gonna show you exactly how we do that.
So what we are going to look at is we are going to bring up Sentinel, and I have my version of Sentinel here, and I know it is a lot to look at, but let's bring this in so that we can look at it a little bit easier on the computer screen.
So what we're going to do is we are going to go and create a new favorites list.
We are gonna scroll down into Georgia, and of course, I'm gonna show you how this is done and how it's incorrect.
And then we're gonna go down to Lumpkin County, County Systems, and Lumpkin.
Now, we have Sheriff, Sheriff TAC, but we are interested here on Fire Dispatch, and what we will notice is that we have 152.0375. We have color code 9.
It's Fire Dispatch, but we do not have any information here for a talk group.
And if I bring this in by itself and append to its favorites list, and I like using the, um, the naming convention of state, so a two-letter state, and then we'll call it Lumpkin Fire.
I don't know why I did it in all capitals, but that's the way we're gonna do it.
And again, if I look at Lumpkin Fire, I will see that this was brought in as a conventional frequency, color code 9, Fire Dispatch, just as we had it a minute ago.
We have to put this in manually, and I'm gonna show you how to do this right now.
We are going to click on this little icon up here to create a brand-new favorites list.
We are gonna call this Lumpkin Fire, uh, DMR, and then we're going to click on OK, and then we're gonna scroll down into this new list.
Okay, well, this is kind of a limitation in Sentinel and the way things are brought into the software from Radio Reference.
So we're going to take a look at the Radio Reference database page now, and for everybody listening on an audio podcast, I am going to walk you through this.
So up on screen, we have Lumpkin County, Georgia, on the Radio Reference page, and if we scroll down, we will see a conventional frequency of 152.0375.
This is shared, as we heard before, that the sheriff and the fire dispatch both share the same frequency.
SL* means that the slot can be either slot one or slot two, but the key difference here is talk group.
You see the talk group 1007 or 1008, and what we need to do is tell Sentinel that we wanna put a talk group in on this frequency.
And unfortunately, as we'll take a look at in a second here, is that this is not easily done through Sentinel, but we can make it happen, and I'm gonna show you exactly how we do that.
So what we are going to look at is we are going to bring up Sentinel, and I have my version of Sentinel here, and I know it is a lot to look at, but let's bring this in so that we can look at it a little bit easier on the computer screen.
So what we're going to do is we are going to go and create a new favorites list.
We are gonna scroll down into Georgia, and of course, I'm gonna show you how this is done and how it's incorrect.
And then we're gonna go down to Lumpkin County, County Systems, and Lumpkin.
Now, we have Sheriff, Sheriff TAC, but we are interested here on Fire Dispatch, and what we will notice is that we have 152.0375. We have color code 9.
It's Fire Dispatch, but we do not have any information here for a talk group.
And if I bring this in by itself and append to its favorites list, and I like using the, um, the naming convention of state, so a two-letter state, and then we'll call it Lumpkin Fire.
I don't know why I did it in all capitals, but that's the way we're gonna do it.
And again, if I look at Lumpkin Fire, I will see that this was brought in as a conventional frequency, color code 9, Fire Dispatch, just as we had it a minute ago.
We have to put this in manually, and I'm gonna show you how to do this right now.
We are going to click on this little icon up here to create a brand-new favorites list.
We are gonna call this Lumpkin Fire, uh, DMR, and then we're going to click on OK, and then we're gonna scroll down into this new list.
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Simulcast Demands SDS Scanners
Learn how simulcast impacts your scanner choice
GPS Coverage Surprise
Unexpected GPS quirk when crossing state lines
Adding The Talk Group Manually
Step-by-step programming for targeted DMR listening
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