Yosemite National Park (CA)
From The RadioReference Wiki
Yosemite dispatch is located in the town of El Portal (pronounced el POOR tal) just off of highway 140. Dispatch is called "Yosemite."
Yosemite Fire Dispatch is called "Yosemite Fire."
Channels
| Channel # | Tone(s) | Rx Freq | Tx Freq | Alpha Tag | Description | Notes | Confirmation/ReConfirmation Date |
| 01 | 172.7750 | 172.7750 | YNP1 FireDir | Yosemite NP CH1 Fire Net Direct | |||
| 02 | 1-5,7 | 172.7750 | 166.3625 | YNP2 FireRpt | Yosemite NP CH2 Fire Net Repeater | ||
| 03 | 172.6500 | 172.6500 | YNP3 ParkDir | Yosemite NP CH3 Park Net Direct | |||
| 04 | 3 | 172.6500 | 171.6500 | YNP4 ParkRpt | Yosemite NP CH4 Park Net Mt. Hoffman Repeater | ||
| 05 | 1,2 | 172.6500 | 172.0250 | YNP5 ParkRpt | Yosemite NP CH5 Park Net Repeater | ||
| 06 | 166.3000 | 166.3000 | YNP6 VllyDir | Yosemite NP CH6 Valley Net Direct | |||
| 07 | 1,2 | 166.3000 | 164.4250 | YNP9 VllyRpt | Yosemite NP CH7 Valley Net Repeater | ||
| 08 | 168.3500 | 168.3500 | YNP08 Common | Yosemite NP CH8 Common Net | |||
| 09 | 168.5625 | 168.5625 | YNP9 Air-Grnd | Yosemite NP CH9 Air-to-Ground | (1) | ||
| 10? | 166.8500 | 166.8500 | YNP10? LE Dir | Yosemite NP CH10? Law Enforcement Net Direct | (2) | ||
| 11? | 1-3,6 | 166.8500 | 171.8250 | YNP11? LE Rpt | Yosemite NP CH11? Law Enforcement Repeater | (2) |
(1) The park's air to ground frequency is also designated National Air to Ground 55. There is no record of AG 55 being assigned to any dispatch zone in the country. On a case by case basis, NIFC can assign it to extended attack incidents, but cannot do so if interference to Yosemite NP will result.
(2) Information on the channels the law enforcement net occupies is no longer available as Channels 10-16 are not shown on the documents obtained.
It is not known how use of the law enforcement net is determined as protection rangers are heard on the Park, Valley and Law Enforcement Nets. Based on listening it appears that most law enforcement and search and rescue communications in the Valley District use the law enforcement net. The bulk of the protection traffic in the remaining districts is carried on the park net.
Tones
| Tone # | Site | Tone Frequency | Used on YNP Channel |
|---|---|---|---|
| 1 | Crane Flat | 110.9 | 2, 5 |
| 1 | Turtleback | 110.9 | 7, 11 |
| 2 | Signal Peak | 123.0 | 2 |
| 2 | Wawona | 123.0 | 5, 11 |
| 2 | Sentinel Dome | 123.0 | 7 |
| 3 | Mount Hoffman | 131.8 | 2, 4, 11 |
| 4 | North Mountain | 136.5 | 2 |
| 5 | Sentinel Dome | 146.2 | 2 |
| 6 | Sentinel Dome | 156.7 | 11 |
| 7 | Henness Ridge | 167.9 | 2 |
Repeaters transmit the input tone on the output frequency.
Yosemite National Park Unit ID's
Dispatch ID: "Yosemite" Callsign "KMC719"
| 100+ | Superintendent's Office and Parkwide |
| 100 | Park Superintendent |
| 101 | Assistant Park Superintendent |
| 103 | Chief of Maintenance |
| 104 | Chief of Administration |
| 105 | Chief Ranger (Visitor & Resource Protection) |
| 106 | Chief of Interpretation |
| 107 | Chief of Resource Management |
| 109 | Pubic Affairs Officer |
| 110+ | HQ Law Enforcement Staff |
| 120+ | Resource Management |
| 140+ | Safety Management |
| 145+ | Youth Conservation Corps |
| 150+ | Maintenance |
| 160+ | Employee Housing |
| 165+ | Electronics Shop |
| 170+ | Solid Waste |
| 200+ | Mather Ranger District |
| 250+ | Tuolumne Maintenance |
| 260+ | Mather Roads- |
| 270+ | Tuolumne Utilities |
| 290+ | Hodgdon Forestry |
| 300+ | Valley Ranger District |
| 345+ | Valley District Interpretation |
| 350+ | Valley Machine Shop |
| 355+ | Valley Animal Packers |
| 360+ | Valley Roads |
| 370+ | Valley Electrical |
| 380+ | Valley Plumbing |
| 390+ | Valley Forestry |
| 400+ | Wawona Ranger District |
| 430+ | Wawona Interpretation |
| 450+ | Wawona Maintenance |
| 460+ | Wawona Roads |
| 490+ | Wawona Forestry |
| 500+ | Parkwide Fire |
| 600+ | Backcountry Unit |
| 600 | Backcountry Unit Supervisor |
| 601+ | Backcountry Rangers (non protection) |
| 610+ | Wilderness Permits & Trailheads |
| 620+ | Trail Crews |
| 800 | Research |
| 900 | Communications |
| Resource | Resource Management |
| Ambulance + | 1-Park Headquarters; 2-Tuolumne; 3-Valley; 4-Wawona |
| Bravo | Backcountry Protection Rangers |
| Charlie | Heard, but not identified |
| Delta | Valley Ranger District Day Shift |
| Echo | Valley Ranger District Evening Shift |
| Golf | Possible Graveyard Shift, Valley Ranger District |
| Hotel | Horse Patrol |
| Kilo | Heard, but not identified |
| LYV | Little Yosemite Valley |
| Mather | Mather Ranger District Management |
| Mike | Big Oak Flat Sub-District, Mather Ranger District |
| November | Not heard, but believed to be the Valley Ranger District Night Shift |
| Rescue | Heard, but not identified |
| Sierra | Search and Rescue, Full Time Staff |
| Tango | Tuolumne Sub-District, Mather Ranger District |
| Traffic | Traffic Management and Accident Investigation |
| Whiskey | Wawona Ranger District |
| El Portal | Engine 31 (Type III), Engine 61 (Type VI) |
| Wawona | Engine 32 (Type III), Water Tender 3 (Unknown Type) |
| Valley | Engine 33 (Type III) |
| Hodgdon | Engine 346 (Type III) Yosemite NP and Stanislaus NF shared vehicle/staff |
This is the best of my notes. For any additions or suggestions, contact RR member Es93546.
Related Links
- National Incident Radio Support Cache - These frequencies are also used for active fire operations.