Control Channel Scan

[Jonathon_Hopkins]

Hi all,

I recently purchased a Harris XG-100 and was programming it for scanning a local trunked system, I’ve programmed everything in correctly, and have had multiple people check it. We even updated the software on the radio and programmed it with a blank template and each time it still shows control channel scan. I am in range of the system as it works on my APX 7000, but just will not for the Harris. Thanks to anyone who can help.

 

[gdsteele]

Have you looked at this setting?

 

[Jonathon_Hopkins]

Yes it is always set to never and all talkgroups are receive only.

 

[BigLebowski]

You haven't provided enough info..

1) What system?

2) How is your bandplan setup?

3) Are you trying to use Enhanced CC or Fixed Proscan?

Usually when it sits on CC Scan it's from a bad band plan or something is off in your system settings. Also remember that if you are in /\/\ land surrounded by BEE00 systems it will try to lock onto any BEE00 system regardless of the System ID unless you exclude them.

 

[Jonathon_Hopkins]

You haven't provided enough info..

1) What system?

2) How is your bandplan setup?

3) Are you trying to use Enhanced CC or Fixed Proscan?

Usually when it sits on CC Scan it's from a bad band plan or something is off in your system settings. Also remember that if you are in /\/\ land surrounded by BEE00 systems it will try to lock onto any BEE00 system regardless of the System ID unless you exclude them.

The system I am trying to monitor is the Williamson County Simulcast on the Middle Tennessee Regional Trunked Radio System.

2. My bandplan is setup like a standard P25 Trunked System with the first two being FDMA, then slot 9 and 10 being TDMA. I know with moto it goes in order with 3 and 4 being TDMA but was told on Harris 9 and 10 would be them.
3. I tried first with Fixed Proscan with no results. Then tried with enhanced CC and no results either. My friend who was helping me set this up thought it was a bad tower NAC, but those have been confirmed correct.

 

[BigLebowski]

Set your band plan up exactly like the Motorola in the first 4 lines. In your system screen in the top right, make sure your site NAC, RFSS ID, and Site are all correct and in hex.

 

[Jonathon_Hopkins]

Set your band plan up exactly like the Motorola in the first 4 lines. In your system screen in the top right, make sure your site NAC, RFSS ID, and Site are all correct and in hex.

Yea those were all correct besides putting the bandplan like the moto.
My friend just sent me this, I’ll give this a try also.

I think 244 might be a typo. The NAC is usually related to the system ID, 44B. 44b equals 1099, 440 is the NAC for MJ and that equals 1088, Goods is not listed but I bet that’s 441 equaling 1089, then DC is 443 equaling 1091....what’s missing? 442 (244 reversed) equaling 1090.

 

[BigLebowski]

Try confirming the voice channel NAC with your scanner.

 

[Jonathon_Hopkins]

Try confirming the voice channel NAC with your scanner.

I don’t have one, I’ve only got actual radios. Someone else put up a post on the TN forum but no one has responded yet.

 

[snoopyII]

Your TDMA ofsets MUST be in slot #9 or greater. Make sure "TDMA Capable", "Adaptive Filter" and "Linear Simulcast" are checked.

 

[BigLebowski]

Your TDMA ofsets MUST be in slot #9 or greater. Make sure "TDMA Capable", "Adaptive Filter" and "Linear Simulcast" are checked.

That is not true... it needs to be set up exactly how the system is broadcasting it.

Yes Harris starts THEIR SYSTEMS on slot 9, but Motorola doesn't.

 

[snoopyII]

p7200 tdma problem

Read post #24


This has been a well known fact for some time now.

 

[Jonathon_Hopkins]

Your TDMA ofsets MUST be in slot #9 or greater.

They are in 9 and 10 currently, the system is a Motorola system and I have tried it in slots 3 and 4 and 9 and 10. Nothing seems to work. The bandplan is a standard P25 system bandplan which I know works as my APX 7000 works on the system. We have tried everything from changing the site NACS to enabling enhanced CC scan and upgrading the firmware. Nothing seems to be working. Anyone have any suggestions or know anyone that could help?

 

[BigLebowski]

p7200 tdma problem

Read post #24


This has been a well known fact for some time now.

Once again. It's not true. To quote that exact post..

"Different systems may have different IDEN values and MUST(!) exactly match the base station tables (starting frequency and channel spacing step size)."

OP.. You have PM's turned off but if you want to PM me the personality I'm happy to take a look at it.

 

[rescue161]

BigLebowski is on point about making sure you have correct Site ID & NAC if you are trying to use Fixed ProScan. The System ID & NAC will not work. If you are in Motorola land, you have to trick the Harris radio into ignoring neighboring sites/systems. Sometimes you can find the Site ID in the Radio Reference Database. Williamson County Simulcast Site Details (Middle Tennessee Regional Trunked Radio System)

Try using Fixed ProScan with Linear Simulcast checked and put in:

System NAC - 244 or **442 - (Do not enter the System ID here)
RFSS - 03(HEX)
Site ID - 14(HEX)

**Edit: I see that you suspect a typo in the database and the Site NAC is actually 442, which I also suspect is the case. So try 442 instead of 244, but ensure that the RFSS is 3 and the Site ID is 14 and that Fixed ProScan is what you are using and you should be good to go.

I have to use Fixed ProScan here as there are surrounding Motorola systems that my radio will lock onto and display CC SCAN, even though I have everything set correctly. If this were a real radio, then it would affiliate just fine, but since it is set to never affiliate, it just picks a system at random, hence why I just set mine up in Fixed ProScan and it never looks for anything other than what is programmed.

 

[BigLebowski]

I got him squared away, his bandplan was wrong.

I have also had success getting the radio to ignore other systems in Enhanced CC mode by entering in the System ID for the site NAC prior to clicking Enhanced CC (at which point the site NAC box is grayed out).

 

[rescue161]

Good deal. Yep, the bandplan has to match what is being broadcast. Glad you got him up to speed.