L3Harris Technologies has successfully completed a technology demonstration for the US Space Force (USSF) satellite communication (satcom) system to improve communications with the agency’s growing number of satellites, the company announced on 12 January.

L3Harris developed a Multi-Band Multi-Mission (MBMM) phased array ground antenna system and integrated it with the USSF satcom network in order to demonstrate multiple simultaneous satellite contacts - traditional parabolic or radio antennas can contact only one satellite at a time.

The MBMM system’s all-digital architecture established 16 simultaneous contacts during the demonstration. The system can scale up to support hundreds of concurrent satellite connections from a single phased array antenna system, reducing the footprint of ground antennas and lowering the infrastructure cost per satellite contact.

L3Harris developed an all-digital phased array antenna technology to meet the enormous ground system capacity demands created by the increasing number of satellite missions,” commented Ed Zoiss, President, Space and Airborne Systems, L3Harris.

The demonstration successfully confirmed live contacts with USSF satellites across multiple orbital regimes at Schriever AFB in Colorado.

The MBMM demonstrations were a complete success that showcased the advancements in phased array technology and relevance for satellite command and control with live DOD systems. It has reinvigorated interest in the MBMM program as a key part of the overall space architecture,” stated Col Wallace Turnbull, Director, Cross Mission Ground and Communications Enterprise, Space and Missile Systems Center. “Capabilities like those recently demonstrated may play an important role in meeting the growing demand for satellite control capacity by providing more affordable and resilient access to Space Force satellite systems.”

L3Harris conducted the demonstration with support from Kratos Defense & Security Solutions and Mercury Systems.

L3Harris developed an MBMM phased array ground antenna system for the USSF. (Image via L3Harris)

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