Spire Global, Inc. has been awarded a contract by the Defense Advanced Research Projects Agency (DARPA) to deliver a preliminary design for a satellite that would carry an array of […]
Ionosphere
DARPA’s Ouija Program Solicitation Aims To Quantify HF Noise + Improve Characterization Of The Ionosphere To Support Warfighter Capabilities
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 […]