It would appear that the UHF federal trunked systems in the Las Vegas area have gone through some channel changes prior to the narrow banding deadline of January, 2008. Last time I was in the LV area I noticed some UHF trunked channels that were not heard before, and this trip I was able to sit down and analyze some of what I am hearing.
I was only able to grab a few of the sites, but here is what is currently in use:
National Nuclear Security Administration (NNSA) Trunked System
System ID = 7526
Motorola Type II, with APCO P-25 voice
Site 004 - Las Vegas DoE Facility
406.9875 - Control Channel
407.3625
408.3625
409.5250
409.9250
Site 006 - Angel Peak, NV
406.1125 - Control Channel
406.5500
409.3000
410.2500
Site 009
407.3500 - Control Channel
Site 010 - Nellis AFB
407.9875 - Control Channel
It also appears that the Nevada Test and Training Range (NTTR) EDACS system has changed some frequencies around. I was able to copy an EDACS control channel on 406.5625 MHz, 408.0500 MHz and 409.9625 MHz. I have not seen these frequencies listed as part of the NTTR system in the past.
More updates on this as I am able to figure them out...
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