Air Traffic Control

ATC recording solutions for ATC Radio, screen recording and Ground Control

Voice Recording Systems for ATC Radio

Eventide voice recording systems have been installed worldwide in more than 50 countries for ANSP, Air Traffic Control radio centers, remote towers, and training facilities.

NexLog DX recorders fully meet the demanding needs of civil and military agencies. NexLog systems enable full replay of air traffic situations and can support FIPS 140-2, ED137C, Multiple Domains, C2, C3, and C4i. Eventide’s NexLog Recording Systems can be configured for all types of ATC/ATM sources and requirements. The comprehensive set of capabilities includes:

  • Legal recording
  • Regulatory-compliant impound and quarantine capabilities
  • Synchronized replay of situations and impounds
  • ED137C-Part 4 VoIP-based voice recording
  • Controller working position (CWP) recording
  • Voice communications & control system (VCCS) recording
  • Ground radio station (GRS) recording
  • Ambient audio recording
  • Telephony recording (VoIP, digital, E1, ISDN, analog)
  • EIZO At the Glass (ATG) screen recording with synchronized replay
  • Software-based screen recording (Windows or Linux) with synchronized replay
  • ASTERIX radar data capture, recording and synchronized output
  • Thales TopSky synchronized situation replay option
  • Eventide API for 3rd party replay synchronization and control
  • Remote tower recording with automated central archiving
  • AWS-based Secure Cloud Archiving option
  • Active/active (dual recorders) for full redundancy
  • MediaWorks DX browser-based replay software
  • Front-panel touch screen option for direct control and replay

Eventide is a member of EUROCAE WG67 and EUROCONTROL “VOTE” (VoIP in ATM Implementation and Transition Expert) group for ED137C-Part 4.

Replay Synchronization with Thales TopSky

Eventide’s Voice Recording Systems can synchronously interoperate with the Thales TopSky Air Navigation System. The recorder was successfully tested at Thales Air Systems in Rungis, France for interop with TopSky ATC X release 3.20. NexLog TopSky Audio Synchronization Application Note

Redundant Recording

Eventide’s NexLog DX-Series Recording Systems provide high-reliability media capture and archival storage – assuring secure and reliable access to recordings. The recorders include redundant power supplies, a redundant hard disk array (RAID), and an industrial-grade Linux operating system for maximum up-time. Two independent NexLog DX-Series Recording Systems may be connected in parallel, providing fully redundant recording.

Explore Our Products

Request a Quote

Privacy Policy(Required)
This field is for validation purposes and should be left unchanged.


Over 7000 recording systems deployed worldwide, with maximum reliability 24/7


Eventide’s recorders and software applications are developed and maintained in the USA

50 Years

Eventide is proud to celebrate 50 years in business with continuous product innovation