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EM Solutions completes development of naval SATCOM capability

The company has been certified to deploy its new terminal antenna system across defence applications.

The company has been certified to deploy its new terminal antenna system across defence applications.

EOS subsidiary EM Systems has secured Wideband Global SATCOM (WGS) certification for its new satellite terminal antenna diversity system (ADS).


This enables the company to integrate the capability with terminals accessing the military WGS deployed by navies around the world. 

The ADS is designed to automatically sense and switch traffic between dual antennas when one of the signals is blocked from satellite view.

The system can also split traffic between the dual antennas when visibility is established for both signals.

This latest achievement follows on from ADS’s receipt of certification for operation on the commercial Inmarsat GX network.

“The ADS is an important innovation that has been several years in development for our navy customers in Australia, Europe, and the Middle East,” EM Solutions CEO Dr Rowan Gilmore said.


“If one satellite terminal is blocked from seeing the satellite by the ship’s mast or another structure the system automatically directs traffic to a second terminal on the other side of the ship.

“It also increases the resilience of the link since two terminals and their channels are normally available.”

EM Solutions is processing an 18-month order book for the supply of satellite terminals to several navies across the globe, and expects to double its factory capacity to accommodate production of the dual systems that support the ADS.

EM Solutions’ Cobra terminals are billed as the only globally-available maritime terminals capable of accessing both the WGS and other commercial constellations such as Inmarsat GX.

“The ADS is unique technology since it switches the physical path of a channel from multiple modems to the appropriate satellite antenna,” Dr Gilmore added.

“Avoiding the use of a router makes switching automatic and prevents any complexities associated with encryption. We believe it will make a step change in the resilience of naval communications.”

 [Related: EM Solutions wins NATO SATCOM contract]

Charbel Kadib

Charbel Kadib

News Editor – Defence and Security, Momentum Media

Prior to joining the defence and aerospace team in 2020, Charbel was news editor of The Adviser and Mortgage Business, where he covered developments in the banking and financial services sector for three years. Charbel has a keen interest in geopolitics and international relations, graduating from the University of Notre Dame with a double major in politics and journalism. Charbel has also completed internships with The Australian Department of Communications and the Arts and public relations agency Fifty Acres.

EM Solutions completes development of naval SATCOM capability
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