NexLog Voice Recording Systems (VRS)
for Air Traffic Control and Air Space Navigation, with ED137 Support

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NexLog Recording Solutions for Air Traffic Management and ED137

NexLog VRS ATM-ATC Brochure                                      

Eventide NexLog Voice Recording Systems (VRS) comply with the voice recording requirements per ICAO Annex 10. 

NexLog Voice Recording Systems (VRS) can record from the complete range of ATC and ATM audio sources, including:

  • Legal Recording
  • Ground Radio Stations (GRS): Analog or ED137B/C-Part 4 (Voice over IP)
  • Voice Communications Control Systems (VCCS): Analog, T1, E1, or ED137B/C-Part 4 (Voice over IP)
  • Controller Working Positions (CWP): Analog or ED137B/C-Part 4 (Voice over IP)
  • Ambient Microphones: Analog audio from amplified sources
  • Administrative Telephones: Digital, Analog, or VoIP Telephones

ED137B/C Part 4: Interoperability wth Next Generation VoIP Air Traffic Management Systems:

Eventide offers advanced Voice Recording Systems (VRS) that implement the ED137B/Part 4 and ED137C/Part 4 VoIP recording Interface, as defined under European Organization for Civil Aviation Equipment (EUROCAE) WG67.

This capability allows Eventide NexLog recorders to interoperate with and record from ED137B/Part 4 and ED137C/Part 4 Ground Radio Stations (GRS), Controller Working Positions (CWP), and Voice Communications & Control Systems (VCCS).

Eventide is a member of the EUROCONTROL VOTE (VoIP in ATM Implementation and Transition Expert) group, which deals with validation and deployment matters related to next generation VoIP communications used in Air Traffic Management (ATM).

Eventide is also participating in EUROCAE WG 67.

NexLog VRS ED137 Application Note

Replay Synchronization with Thales TopSky:

Eventide's NexLog Voice Recording Systems (VRS) are capable of interoperation with the Thales TopSky Air Navigation System, providing synchronized replay of recorded audio along with replay of the controller's working position screen imagery.  Eventide's NexLog Voice Recording System (VRS) has successfully passed testing at Thales Air Systems in Rungis, France for interoperability with TopSky ATC X release 3.20. Testing occurred during the week of 31 March, 2016. Tests including VRS ICD Protocol, replay search, play, pause, and resume were performed. The NexLog Voice Recording System (VRS) passed all interoperability tests, and was able to record and playback voice synchronized with TopSky Playback server at the Controller Working Position (CWP).

NexLog VRS to TopSky Audio Synchronization Application Note

NexLog Recorders in a Rack

Replay Synchronization via API:

Eventide offers custom API options for the control of time-synchronized audio replay by third-party radar/air navigation applications.

Data Recording and ATG Screen Recording

Eventide and our technology partners offer comprehensive solutions for recording & replay of ATC voice communications, ASTERIX data, and CWP screens - including at-the-glass (ATG) recording. Our partners include SkySoft-ATM and Thruput Ltd. Please contact Eventide's Sales Department for additional information and quotation.

NexLog VRS ATM/ATC Brochure

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