MUOS ground station in Wahiawa, Hawaii. Credit: Mass Communication Specialist 2nd Class John W Ciccarelli Jr.

General Dynamics (GD) Mission Systems has released the updated mobile user objective system (MUOS) WFv3.1.5 waveform for US Navy radios.

The waveform has been released after the company completed testing of the updated system for the navy’s software-defined digital modular radios (DMR).

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The new WFv3.1.5 waveform is a software that adds the MUOS capability to the DMR radios, which are also built by General Dynamics Mission Systems.

“DMR is one of the first US military radios to use the MUOS waveform and other over-the-horizon waveforms, including UHF SATCOM waveform simultaneously, without interfering with radio communications.”

This will help improve secure voice, video and data communications across the MUOS satellite communications (SATCOM) network, which has been recently approved by the US Strategic Command for expanded operational use.

General Dynamics Mission Systems director Carol L Real said: “There are more than 700 DMRs in the navy’s radio inventory, it is one of the largest number of fielded, tactical radios capable of connecting to the MUOS network.

“DMR is one of the first US military radios to use the MUOS waveform and other over-the-horizon waveforms, including ultra-high frequency (UHF) SATCOM waveform simultaneously, without interfering with radio communications on other DMR channels.”

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As a four-channel radio, DMR serves as the US Navy’s communications hub for secured surface ships, submarines and shore-site communications.

The ground and network management system enables radio operators to communicate beyond line-of-sight across the globe, transmitting simultaneous voice, video and mission data with ten-times the communications capacity of legacy UHF SATCOM radios.