SOURCE: IDRW.ORG.
The Indian Navy has made significant strides in indigenization by deciding to install indigenously developed Software-Defined Radios (SDRs) on all its aerial platforms. Among the first platforms to benefit from this upgrade are the Navy’s MH-60R Seahawk helicopters, also known as Romeos. This development marks a leap in the Navy’s efforts to enhance encrypted communication capabilities across its fleet.
The SDRs have been co-developed by the Indian Navy in collaboration with Bharat Electronics Limited (BEL). They are already deployed on the Navy’s surface ships, showcasing their reliability and performance. The version installed on aerial platforms like the MH-60R is a miniaturized variant of the surface ship system, optimized for airborne operations.
The SDR system allows for advanced signal processing using radio frequency (RF) communication systems. Prior to this, the Navy relied on conventional radios for communication, which lacked the encryption and adaptability provided by the new SDRs.
The integration of SDRs into the MH-60R Seahawk helicopters represents a milestone in modernizing the Navy’s tactical communication capabilities. The MH-60Rs, known for their versatility in anti-submarine warfare, surface warfare, and search-and-rescue missions, now feature enhanced encrypted communication.
A source in the defense establishment noted that the SDR installed on the Romeos is a “captive” system, tailored for specific roles and operational constraints. This system is seamlessly integrated with the indigenous Link-II data link system, a tactical naval communication system that enables real-time exchange of text-based communications among ships, submarines, and shore installations.
Benefits of SDR and Link-II
Indigenization Push:
The deployment of an indigenous SDR system aligns with India’s ‘Aatmanirbhar Bharat’ (self-reliant India) initiative, reducing dependency on foreign technology and enhancing local defense manufacturing capabilities.
Encrypted Communication:
The SDR ensures secure and encrypted communication, a critical capability for modern warfare and operations.
Real-Time Information Sharing:
Through Link-II, the system facilitates real-time data exchange between various naval assets, significantly improving operational coordination.
Flexibility and Adaptability:
Unlike conventional radios, SDRs can adapt to different frequencies and waveforms, making them versatile across a range of operational scenarios.
The Navy plans to extend the deployment of SDRs across all its aerial platforms, ensuring uniformity in tactical communication. This will create a networked force capable of seamless and secure communication between its ships, submarines, aircraft, and ground establishments.
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