Eventide’s NexLog DX-Series is the trusted ATC recording platform used in FAA towers, military airbases, en route centers, and airports of all sizes across South America, Asia, Africa, Europe, the Middle East, and even Antarctica. Designed for legal and safety-critical operations, these systems are deployed by civil aviation authorities, air navigation service providers (ANSPs), and defense organizations worldwide.

NexLog DX-Series recorders are engineered to capture, synchronize, and retain voice, screen, and data inputs in one secure system, supporting regulatory compliance, incident reconstruction, and operational accountability. Systems meet global standards, including ED137B/C and FIPS 140-2, and are actively chosen over single-purpose embedded recorders for their flexibility and performance.

Eventide is a recognized authority in ED137 B/C recording. We contributed to the development of the ED137 VoIP recording standard and continue to shape its evolution as active members of EUROCAE Working Group 67.

As a trusted provider of 911 recording software for 911 centers across the U.S. since the 1990s, Eventide Communications now serves approximately 4,000 Public Safety Answering Points (PSAPs). NexLog DX 911 recording systems offer continuous, reliable recording of 911 calls, including video and screen activity, along with critical metadata. NexLog DX-Series recorders boast advanced quality assurance (Q/A) and data analytics tools to enhance operations. These tools allow 911 centers to evaluate real-time call-taker and dispatcher performance using detailed metrics such as response times, call resolution, and protocol compliance. The system captures vital communication data and provides insights through customizable reports, helping managers identify training opportunities and track performance against operational goals. Integrated speech analytics, phrase detection, and AI-based tools further improve incident review and process optimization. With 85+ integrations, Eventide's 911 call recording system offers seamless interoperability and scalability, ensuring PSAPs have the tools they need for legal defense and operational success today and future growth tomorrow.

As a trusted provider of 911 recording software for 911 centers across the U.S. since the 1990s, Eventide Communications now serves approximately 4,000 Public Safety Answering Points (PSAPs). NexLog DX 911 recording systems offer continuous, reliable recording of 911 calls, including video and screen activity, along with critical metadata. NexLog DX-Series recorders boast advanced quality assurance (Q/A) and data analytics tools to enhance operations. These tools allow 911 centers to evaluate real-time call-taker and dispatcher performance using detailed metrics such as response times, call resolution, and protocol compliance.

The system captures vital communication data and provides insights through customizable reports, helping managers identify training opportunities and track performance against operational goals. Integrated speech analytics, phrase detection, and AI-based tools further improve incident review and process optimization. With 85+ integrations, Eventide's 911 call recording system offers seamless interoperability and scalability, ensuring PSAPs have the tools they need for legal defense and operational success today and future growth tomorrow.

Designed for both large districts and smaller departments, NexLog DX-Series recorders ensure secure, court-admissible recordings that enhance post-incident reviews and accountability. Fire and Rescue agencies do the right thing 98% of the time, and with an Eventide recorder, you can prove it. NexLog EXP is a compact, affordable recorder for organizations needing eight or fewer audio inputs recorded. For complete command vehicle and fireground recording coverage, NexLog EXP-M is a DC-powered recording solution for your rugged, remote, and off-grid fire and rescue applications. Protect your agency with proof of protocol.

Voice ATC Recording

• Full support for ED137 B/C VoIP protocols
• Controller working position (CWP) audio
• Voice communication and control systems (VCCS):
  Eventide captures all associated voice paths to ensure complete coverage of air-ground and ground-ground interactions.
• Ground radio station (GRS) audio, including transmissions between aircraft and control towers, and between different ground stations. NexLog DX systems support direct recording from GRS hardware for accurate, synchronized documentation.
• Ambient microphone recording
• Legacy telephony (analog, digital, T1/E1, ISDN)

Screen and Video ATC Recording

• Software-based screen recording for Linux and Windows-based CWPs and ATM Displays
• Hardware-based "At-the-Glass" recording
• High-definition IP video capture with synchronized audio replay
• Built-in tools for securing and managing incident recordings

The MediaWorks DX user interface simplifies recording management. With an intuitive layout and powerful search capabilities, MediaWorks enables authorized users to impound, quarantine, analyze, and export incident data quickly and efficiently.

Data Capture and Synchronized Playback

• ASTERIX radar data capture
• Synchronized replay of radar, voice, and screen
• Full support for multi-domain C2/C3/C4i environments
• Compliance-ready data preservation and export

System Architecture and Technical Benefits

• Industrial-grade Linux operating system for maximum uptime
• RAID storage with redundant power supplies
• Front-panel touchscreen access for status and replay (optional)
• Active/active (dual recorder) configurations for high-availability recording
• Secure browser-based MediaWorks DX software for replay, search, quarantine, and export
• Integration with Thales TopSky replay stations
• API availability for integration with third-party applications

Eventide’s NexLog DX-Series recorders are trusted by FAA towers, ANSPs, and defense agencies worldwide to meet the highest standards of reliability, compliance, and interoperability. Whether you're upgrading a regional facility or deploying across multiple sites, Eventide delivers the recording platform aviation decision-makers rely on to modernize operations without compromising legacy continuity.