Here are a few audio clips of Area 51 and NTTR Security transmissions, recorded in the Rachel area.
|Freq [MHz]||Date and Time||Recording Location||Notes|
|XXX.XXX||Sat 09/03/2011||F-4 crash site road||Data burst of new EMIDS road sensor|
|Powerlines Overlook||NTS Range Security, Security Central|
Range security center, station check every 30 minutes
|Rachel||Nellis Range Control frequency "Fox 4", Blackjack|
Used by contractors etc. driving through the ranges to check with range control center "Blackjack" for clearance to enter certain areas
6pm - 9pm
|LN 32.3||Nellis Range Control frequency "Fox 3", Scorpion Base and Scorpion Patrol|
Tolicha Peak ECR Range Security, station checks every 30 minutes, vehicles dispatched to investigate tripped sensors
|Rachel||Security trunking system, control channel|
|Rachel||Security trunking system, coded voice transmissions|
|Between Warm Springs and Tonopah||Nellis Range Control frequency "Fox 4" (see above)|
Lockheed and Arcata contractors talking to range control Blackjack and helicopter crew setting up a mast and antenna at "Site 11"