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HF Comms

DARPA’s Ouija Program Solicitation Aims To Quantify HF Noise + Improve Characterization Of The Ionosphere To Support Warfighter Capabilities

April 25, 2022

Warfighters depend on high-frequency (HF) radio transmissions to operate military systems across the space, air, ground and maritime domains. Current understanding of how HF waves propagate through the electromagnetically noisy ionosphere typically depends on ground-based methods. To more accurately understand HF propagation in space requires scientific measurements taken from within the ionosphere itself. DARPA’s new […]

Filed Under: Agencies, COTS, DARPA, HF Comms, Ionosphere, Military, SmallSat, Solicitation, VLEO, Warfighters

Collins Aerospace HF Cell System Is Engaged By The Brazilian Army

December 8, 2021

Collins Aerospace has been selected by the Brazilian Army to provide its High Frequency (HF) Cellular communications system as part of the Brazilian Army Border Surveillance and Monitoring Strategic Program (SISFRON) to improve communications capabilities for forces operating in the Amazon region. By networking Collins Aerospace’s URG-IV HF fixed site radio stations with a Collins […]

Filed Under: Government, HF Comms, Military, Monitoring, Secure Comms, Surveillance

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