Active frequencies which can be received in Williams and surrounding areas on an almost weekly basis:
Coco Sheriff North and west: 155.49, 159.15 simulcast for north and west
Coco Sheriff South and east district: 155.835
Williams PD:155.625
Williams Fire: 153.995
Navajo Army Depot at Belmont:163.4875 are the MP's, 162.300 carries some admin traffic while 163.5375 has other traffic but 163.4875 is the main active channel.
Grand Canyon Park rangers:164.725
Coconino Forest service 171.550
Mt. Eldon Lookouts: 168.350
Kaibab Forest: South end 170.550 and North end 169.675
Lookout towers in the Kaibab forest, IE Williams Mtn.:168.750
Prescott NTL forest: 168.175 dispatch and 171.225 (tac channel)
Az. State FIRE 151.415
Lifeline ambulance 152.405 Williams. Conventional FM simulcast and voting scan system uses towers around Northern and central AZ.
Grand Canyon railroad:160.350 very active frequency but it can be boring at times
Snow Bowl ski patrol 463.650, this is a very active channel in the winter.
DPS District 2, I-40 : 460.025
DPS Flagstaff surrounding areas: 460.300
Yavapai County: 154.74, 154.725, 158.995
Flagstaff PD is on a type II trunking system if you have a type II scanner and a good outside antenna it is receivable in Williams, Some of the CC's and Vc's are 857.9875, 859.4375, 858.9875, 860.4375, 855.2125, 856.2125, 857.2125, 854.9625, 856.7375 857.7375.
NOAA weather 162.4 Flag, 162.525 Mingus mtn. near Prescott.
All of the above are analog FM
Below are some active conventional, non trunked, P25 digital frequencies:
ICE, (Immigration and Customs Enforcement): a mix of Digital P25 clear and P25 AES256 encrypted: 171.1875MHz
Another ICE channel: 171.325 about 100% encrypted.
ICE OTAR channel, not much voice traffic, mainly OTAR data but you never know what you'll hear. 169.1625Mhz
ATF P25 digital 167.125MHz. Some mix of clear P25 and P25 AES256 encrypted.
Western Area Power Administration: P25 clear 167.825MHz, 167 875MHz. This is a wide area conventional voting scan system.
FBI P25 clear most times but some times encrypted AES256. 163.8875MHz sometimes carries traffic from Phoenix also.
Lets see ?
I probably left something out but this should get you started.
Mike