NATIONAL PARKS from Chuck Gysi’s scanning1.com Mount Rushmore National Memorial (Keystone SD): 169.400 000 Primary 170.050R 88.5 Secondary - Rangers Devil’s Tower National Monument (Devil’s Tower UT): 169.400 88.5 Operations Hoover Dam (Boulder City NV): 158.850R 173.8 Las Vegas Metropolitan Police Department 166.300 107.2 Lake Mead patrols 170.050 107.2 Hoover Dam police 462.775P 000 Unknown paging 464.550M 67.0 Hoover Dam visitor services (contracted?) 936.6625M 000 Thomas K. Kurian road construction (dam bypass?) ? 939.9750R 000 Thomas K. Kurian road construction (dam bypass?) trunked 939.9875R 000 Thomas K. Kurian road construction (dam bypass?) trunked control channel Zion National Park (Springdale UT): 164.625B 000 Weather reports 166.325 000 Rangers 168.350 000 Tunnel operations Death Valley National Park (Death Valley CA): 166.375 103.5 Bureau of Land Management 170.100R 141.3 Rangers 467.800P 000 Resort lodging paging Petrified Forest/Painted Desert (Petrified Forest AZ): 170.050 127.3 Rangers Grand Canyon (Grand Canyon AZ): 121.500 AM Air emergency (comms heard) 123.000 AM Grand Canyon Helicopters at Grand Canyon Airport 151.925 000 Grand Canyon National Parks Lodges buses 152.945 179.9 Ranier Helicopter Lift, Grand Canyon 153.890R 77.0 Grand Canyon National Parks Lodges Fire/EMS 155.475 210.7 Police national mutual aid CW ID 157.620 118.8 Grand Canyon Helicopter Service 158.955 136.5 Yavapai County sheriff 160.350R 000 Grand Canyon Railway 166.300 123.0 Operations (also 000) 170.050 94.8 Grand Canyon National Park developmental 170.550 103.5 Kaibab National Forest 172.575 127.3 Grand Canyon National Park Channel 5 rescue 467.800P 000 Grand Canyon lodge paging Yellowstone National Park (Yellowstone National Park WY-MT-ID) 150.935 103.5 Wilderness Connection, Gardiner MT 151.835 000 Backcountry Adventures, West Yellowstone MT 155.280 000 EMS remote base 164.800 000 Input to South repeater on 165.5875 (also 118.8 heard) 166.375B 000 Ranger base 166.375M 167.9 Ranger mobile 464.500M 131.8 Xanterra crew or biologists talking about carcasses Nearby: 151.955 000 Butch Nottingham, West Yellowstone MT 153.905 P25 West Yellowstone police switchover channel (APCO-25 digital) 154.740 192.8 West Yellowstone police 158.250 118.8 Montana Power, Gardiner MT 452.275 192.8 Hibernation Station lodging, West Yellowstone MT 463.2625 000 Park County Water District telemetry, Gardiner MT 463.425 91.5 CW ID 464.100 82.5 Teton Communications trunked system – CW ID Grand Teton National Park (Moose WY) 171.675R 146.2 “Teton dispatch” ranger ops 172.425M 123.0 Input to 171.675R (also 000) Mount St. Helen’s National Volcanic Monument (Amboy WA) 151.190R 162.2 State forestry units – OR or WA? 172.225 123.0 Operations Arches National Park (Moab UT) 168.350 100.0 Bureau of Land Management 171.700BM 141.3 Ranger ops – “Park entrance” input to 172.600R 172.600R 141.3 Operations – (171.700 input) NOTE: All these frequencies and notes have been gained from my own personal monitoring during on- site visits. I invite your input, corrections and updates. I do ask, however, that you NOT steal my information. As you can see, I have put MANY hours of effort into listening and studying these systems. I invite your participation! Date of last update: 07/16/2005 n This list © 2004-2005 SCAN Communications Co. No portion of this list may be used without the express written permission of the Webmaster. Coded information has been included to detect copyright infringement. E-mail inquiries may be sent by clicking on webmaster. n To return to home page, click here: http://www.scanning1.com/.