References NAV Canada


NAV CANADA chooses Rohde & Schwarz HF systems for long range communications

In July 2019, following an extensive supplier evaluation, NAV CANADA awarded Rohde & Schwarz a contract to supply 17 HF transmitter systems, each with an output power of 4 kW, for voice communications in its mission-critical North Atlantic operations. The HF system being implemented is part of the R&S®M3SR Series4100 software defined radio (SDR) family, specifically the R&S®XK4100. It is also equipped with the new ED-137 IP interface. These radios follow the requirements of the EUROCAE ED-137 international standard for voice over IP (VoIP) air traffic management (ATM) applications. The transmitters will support NAV CANADA HF communications for decades. NAV CANADA provides ATC and related services for Canadian domestic and international airspace, and uses long-haul, beyond-the-horizon communications for aircraft flying in northern Canada and flights to and from Europe over the North Atlantic Ocean.

In March 2020, Rohde & Schwarz was awarded NAV CANADA’s Technology Award for 2019 in recognition of providing outstanding support to Canada's civil air navigation service provider (ANSP).

The award recognizes Rohde & Schwarz as a key contributor to NAV CANADA’s mission success over the years. Following a recent project to provide HF receivers, Rohde & Schwarz was engaged in the delivery of two additional projects. The first concerned the provision of HF transmitter systems for oceanic control, each with an output power of 4 kW for voice communications in the North Atlantic region. The second was for ED-137 telephony gateways interconnecting legacy analog circuits to a Voice-Over-IP (VoIP) network. All three projects were required to modernize and improve NAV CANADA’s communications over and across the Atlantic Ocean.

Constantin von Reden, Vice President Market Segment ATC at Rohde & Schwarz, said: “We are honored to receive this technology award, as it recognizes our relevance in secure communications. Our experts enjoy working closely with their NAV CANADA counterparts and will continue to assist them with high quality project execution and provide advice throughout the entire project lifecycle.”


Reliable software defined radios for air traffic control, including the brand-new R&S®Series5200 featuring an innovative security-by-design architecture.

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