Area 51, NTTR and Nellis AFB Trunking Systems

The three trunking systems used for ground communications at Area 51, NTTR, the NTS and Nellis/Creech AFB are using frequencies in the UHF band, between 406 and 420 MHz. The systems use different standards. The Motorola and APCO P25 Systems can be monitored with modern Trunking Scanners, capable of decoding APCO P25 audio. The EDACS ProVoice system can be monitored for activity, but today's scanners are not capable of decoding the transmissions. Each system has several repeater sites across the NTTR. All frequencies are in MHz, unless otherwise noted.

NTS Trunking System

Site#	Location	Frequencies
01	Mercury	406.5000 406.7875 407.1875 407.3000 407.5000 407.8625 408.1500 409.1125 409.5625
02	Red Mtn, Checkpoint Pass	406.9875 407.3500 408.3625 409.3125 409.5250 409.9125 410.1625
03	CP-1, Yucca Pass	406.1375 407.3625 408.1875 409.1250 409.3500 409.5500 409.7875
04	LV DOE Facility	406.4000 406.9875 407.3625 408.3625 409.5250 409.9250 410.1625
05	Skull Mountain	406.1500 406.9750 407.5500 408.1000
06	Angel Peak	406.1125 406.5500 407.4250 408.7000 409.3000 410.5500
07	Rainier Mesa	407.1625 407.4000 407.7875 408.3875
08	Shoshone Mountain	407.3875 407.8125 408.4250 409.3750 410.1750 410.6500
10	Nellis AFB (old)	408.3875 409.3125 410.1750

Nevada Site Office

Site 11 (Creech AFB) is no longer active. Site 10 (Nellis AFB) still has some very limited traffic. Nellis AFB and Creech AFB now have their own trunking system (see below), and most traffic has moved to that system.

Red: Prim.Control Channel / Green: Alt.Control Channel / White: Voice Channel / Cyan: Obsolete / Not in use

Nellis AFB Talk Groups (mostly obsolete)

24096 Maintenance (Power, Fire, Water)

24112 Maintenance (HVAC)

24128 Civil Air Patrol, S&R

24176 Rescue Vehicles (to Tower or Dispatch)

24192 Rescue Vehicles (to Tower or Dispatch)

24224 "Joker Ops" (?)

24256 Mobile units, "BMT Main", "DC Main" (?)

24288 Aircraft Refueling

24304 Aircraft Refueling

24320 Taxi Dispatch (Shuttle)

24336 Air Mobility Command (AMC)

24352 Nellis Police

24368 Airshow Control

24416 Nellis Tower

24432 Medical Net

24448 "Exercise Message", "Hazmat ID", "BIO RT", "BIO ETT" (?)

24496 (?) "Dish Control" ?

24624 Radio Technicians

24704 Raymond 22

24736 Airshow Operations

24912 Mobile Shuttle Dispatch

28416 Maintenance Operations Center "MOC"

28432 Ramp Operations "Viper" (Probably F-16s from 422nd TES (OT))

28448 Ramp Operations "Tomahawk" (Probably F-16s 57th Wing (WA))

28464 Ramp Operations "Eagle" (F-15 C/D)

28480 Ramp Operations "Thunder" (A-10s Thunderbolt II)

28496 Ramp Operations "Strike" (F-15E)

28512 Ramp Operations Common (announcement from "MOC" to all)

28528 Flight Line Supervisor

28544 Ramp Operations Misc.

28560 Rescue Operations

28576 Ammo Transport ("Stinger", "Scorpion", "Apache", "Gator")

28592 Airfield Control "Dragon"

28608 Ramp Techs. ?

28624 Ramp Operations "Raptor" (F-22)

28640 Green Flag: Ramp Operations Common

28656 Green Flag: Ramp Operations

28672 Red Flag: Ramp Operations (foreign guest units)

28688 Red Flag: Flight Line Supervisor

28704 Red Flag: Ramp Operations Common

28720 Red Flag: Ramp Operations "Tiger" (Aircraft Maintenance)

28736 Red Flag: Airfield Control "Dragon"

28752 Red Flag: Ramp Operatons Maintenance ("Age"/"H", "Century")

28768 Red Flag: Ramp Operations Common (announcement from "MOC" to all, obsolete?)

28784 Red Flag: Crew Chiefs

28800 Red Flag: Ramp Ops "Spat" (aircraft maintenance)

28816 Red Flag: "Tiger Super"

28832 Red Flag: MOC Announcements to all (new)

28848 Red Flag: Ammo Transport ("Rampage", "Stinger")

28864 Red Flag: Ramp Ops "Fireball", "Black" (aircraft maintenance)

28880 Red Flag: Maintenance Operations Center "MOC"

28896 Red Flag: Ramp Ops, Refueling

Creech AFB Talk Groups (mostly obsolete)

26512 Security, radio checks every 15-30 minutes

26624 Creech AFB Safety Dispatch (Rescue)

26688 Housing Maintenance

26720 Creech Tower

26736 Security

26816 Maintenance (?)

26896 Maintenance Operations Center "MOC"

26992 AMMO

30528 Maintenance Operations Center "MOC"

30576 Ramp Ops (?) "That was the first time a four-star pushed me back in my vehicle"

30592 Ramp Ops (?)

30640 Maintenance (?)

30656 Security and Transportation Squadron Convoy Threat Training (?)

30800 Airfield Control (?)

NTS Talk Groups

32 (?)

48 Electrical Maintenance (?)

176 Charley xx (?)

256 Electrical Maintenance (Talk about security cameras etc.)

656 (Fire Department Training Exercise)

704 Fire Dispatch

720 Mobile Rescue Units

784 OCC General Announcement (Operations Coordination Center)

800 OCC Fire Dispatch (Emergency Calls)

1024 OCC Bird Dog (controls movement in most areas of the NTS from the SOC (Site Operations Center))

1312 Security, Building 600 area (Mercury, OCC headquarters) (Encrypted)

1456 Security, Station 800 (Las Vegas DOE Facility)

1616 Ranch Control (controls movement around Yucca Mountain facility)

1696 NTS Maintenance ?

1728 (?)

1760 (?)

1792 Ranch Control Announcements

1936 JTO (?)

1952 (?)

1968 (?)

1984 Maintenance ?

2000 Los Alamos National Laboratory ("Lab Net")

2576 Electrical Maintenance "Power Group"

2592 (?)

2608 Waste Management

2896 Maintenance Group, Channel 1

2912 Maintenance Group, Channel 2

2928 Construction Trucks ?

3056 Building Maintenance Las Vegas DOE Facility (Station 800)

3088 Electrical Maintenance (?) (Building D-5)

3216 Construction Trucks ("Construction Net")

3232 Construction Trucks ?

4176 "Cadillac" (Security?)

4208 Delivery trucks

4256 NTS Ops Control ("NPTEC Control", training exercises)

4288 Kitchen (?)

4384 "Waether center" to "Weather xx"

4416 "Papa Smurf" calling "Bandido"

4432 "Papa Smurf" (dispatch) to mobile unit in Las Vegas

4496 Maintenance ("ETS Net")

4848 NTS (Hazmat Facility ?)

5024 Gatehouse Control (access to Areas 3 and 5)

5168 Equipment Maintenance (?)

9648 Aircraft Coordination (?)

Nellis/Creech AFB Trunking System

Site#	Location	Frequencies
01	Nellis AFB	406.5000 406.7875 407.1875 407.3000 407.5000 407.8625 408.1500 408.9625 409.1125 409.5625 409.7125 410.6500
02	Creech AFB	406.3625 407.0750 407.5875 408.1750 408.7000

Nellis AFB Talk Groups

7 MOC General Announcements

50 Fire Department /Rescue

70 Nellis AFB Security

212 Fuelers

301 Nellis Tower

303 Maintenance Operations Center "MOC"

304 Viper

305 Tomahawk

306 Eagle

307 Thunder

308 Strike

312 Rescue Ops

313 Ammo Transport ("Stinger", "Gator", "Wizard")

314 Ammo Depot (Inventory checks)

315 Raptor

339 Flanker

32230 Dispatch

Creech AFB Talk Groups

55 Mobile units to tower (Rescue/Security/Maintenance?)

61 Creech AFB Security (encrypted)

423 Creech Tower

32230 Dispatch

NTTR / Area 51 / TTR / Basecamp Trunking System

Site	Location	[LCN] Control Channels
01	Tonopah, Radar Peak	[1] 406.5625	[2] 409.5625	[3] 410.7000
02	TTR	[1] 406.1500	[2] 407.2500	[3] 407.9500	[4] 408.5875	[5] 410.1500
03	Cedar Peak	[1] 406.9625	[2] 407.5625	[3] 407.7625	[4] 408.1250	[5] 409.1625	[6] 409.8875
04	Halligan Mesa (Basecamp)	[1] 406.7625	[2] 409.3625	[3] 409.7625
05	Bald Mountain	[1] 406.7750	[2] 407.8875	[3] 408.9625	[4] 410.3500	[5] 410.7625
06	Papoose Mountain	[1] 406.1875	[2] 408.1625	[3] 408.5625	[4] 409.5875	[5] 410.7000
07	Angel Peak	[1] 406.5625	[2] 408.0500	[3] 409.0250	[4] 409.9625	[5] 410.9000
08	Black Mountain	[1] 406.3625	[2] 407.0750	[3] 407.5875	[4] 408.1750	[5] 409.6375
09	Antelope Peak	[1] 406.1500	[2] 407.2500	[3] 407.9500	[4] 408.5875	[5] 410.1500

System Map

This map of the NTTR shows the locations of the trunking repeater sites of both systems. The Motorola system (blue) is in use within the NTS, while the rest of the NTTR uses the EDACS system (yellow).