Are you speaking of this system?
Wake County Simulcast Trunking System, Various, North Carolina - Scanner Frequencies
If not - stop reading here... otherwise:
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Looks like bad data on RR is the "root" cause.....
The system has two sites which indicate 39 and 38 site frequencies (???) respectively
and there is ALOT of the same frequencies listed on BOTH sites (including some control/alt control frequencies).
Aside from this not making much sense (to me anyway), to my knowledge (last I heard) the sites on these systems can only have 32 (or less) frequencies. It appears the site frequencies > 32 are being ignored in the EZ Scan library - thus the control channel frequencies are not even in the library data (except possibly 853.150 on the Wake Simulcast site.
Uniden appears to simply accepts all of them (in the BCDx36HP Sentinel anyway) but the EZ Scan software limits the frequencies to 32 frequencies per site.
My first thought as a work around was that EZ Scan has an import option where you can import only the control channel frequencies. However, it looks like the library import for EZ Scan also limits each site to 32 frequencies so that won't work (seems to support my belief on the 32 frequency site limits).
So -- here's what I would do (at least for now - until this what looks to me like "bad information" on RR is corrected by someone) - in EZ Scan, remove all of the imported frequencies and then add only the control channel frequencies (red and blue from the RRDB page) for each of the respective sites. Then, copy the configuration to your scanner....
I'm several hundred miles away so I can't confirm this but give it a try and let's see what happens....
If my belief that the RRDB data is bad, this 32 frequency limit is no longer correct, and/or there's something that makes having the same frequencies listed on two different sites of the same system correct, I'm certain someone will chime in and let me know...
EDIT: Looking at other things, it seems like I've looked at this system before. There are some talkgroups listed multiple times with different descriptions which again, doesn't make sense to me: 33072 (twice, same "purpose" but in 2 different groups) and 35680 (more or less the same talkgroup - just listed numerous times in different "groups" of talkgroups; I was under the impression that RR didn't allow this type of thing).