GL Communications Highlights ED-137 and ED-138 Air Traffic Management Solutions
at Airspace World 2026
03rd, Jun 2026
GL Communications Inc. participated in Airspace World 2026, held May 26–28, 2026, in Lisbon, Portugal, demonstrating a comprehensive portfolio of Air Traffic Management (ATM) testing solutions for next-generation aviation communications.
GL engaged with Air Navigation Service Providers (ANSPs), Voice Communication System (VCS) vendors, radio and recorder manufacturers, system integrators, and aviation authorities, showcasing solutions designed to validate, monitor, and troubleshoot IP-based air-to-ground and ground-to-ground communications in compliance with EUROCAE ED-137 and ED-138 standards.
Key Capabilities Demonstrated
Visitors explored a wide range of solutions supporting network modernization, interoperability testing, compliance validation, and operational performance assurance, including:
- ED-137 Radio, Telephone, and Recorder Emulation
- ED-138 Network Monitoring and Performance Analysis
- Controller Working Position (CWP) Validation
- Ground Radio Station (GRS) Testing
- VCS Interoperability Testing
- Signaling Emulation and Traffic Generation
- Load Testing and Performance Validation
- Protocol Analysis and Packet-Level Visibility
- End-to-End Delay and Timing Measurements
- Voice Quality Testing using MOS, PESQ, and POLQA
- ED-137C Change 1 and 2 Compliance Testing
- IPv6 ATM Network Testing and Verification
These capabilities test and monitor CWPs, GRSs, VCSs, VoIP Gateways, Recorders, and associated ATM communication infrastructure throughout development, integration, deployment and operational phases.
Supporting Air Traffic Network Modernization
As aviation communication infrastructure migrates toward IP-based networks, organizations face increasing challenges related to interoperability, standards compliance, service quality, timing accuracy and operational reliability.
GL's solutions help ANSPs, equipment manufacturers, and system integrators validate communication performance, accelerate deployment readiness, reduce operational risks, and ensure reliable operation within safety-critical environments.
Advanced ED-137 and ED-138 Validation Capabilities
GL demonstrated its industry-proven ED-137 and ED-138 portfolio supporting signaling emulation, traffic generation, protocol analysis, load testing, timing validation and service-quality monitoring across modern ATM networks.
All solutions support ED-137C Change 1 and 2 standards and IPv6 addressing, helping organizations prepare for evolving ATM communication requirements and future deployments.
The company also highlighted validation of its ED-137 emulators using EUROCAE's latest VOTER tool, providing additional confidence in standards compliance and interoperability.
Real-Time Monitoring, Timing Analysis and Performance Validation
GL also showcased its PacketScan™ and NetSurveyorWeb™ solutions, providing centralized visibility into ATM network performance through real-time dashboards, alarms, analytics, protocol analysis, and historical reporting.
Key monitoring and measurement capabilities:
- Push-to-Talk Delay Analysis
- Squelch Timing Measurements
- Mute/Unmute Performance Validation
- Transmitter Switching Analysis
- End-to-End Communication Delay Measurements
- Voice Quality Assessment
- ATM Traffic Monitoring and Troubleshooting
- Historical Performance Analytics
These capabilities enable aviation organizations to proactively monitor service quality, identify communication impairments, troubleshoot network issues and maintain reliable communications across mission-critical ATM environments.
Connect with GL
Interested in validating ED-137/ED-138 compliance, monitoring ATM network performance, or testing next-generation IP-based aviation communications?
GL Communications works closely with ANSPs, OEMs, and system integrators worldwide to deliver reliable, standards-compliant ATM testing, monitoring and performance validation solutions.
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