High above Earth’s poles, intense electrical currents called electrojets flow through the upper atmosphere when auroras glow in the sky. These auroral electrojets push about a million amps of electrical […]
Ionosphere
NASA to launch sounding rockets into the Moon’s shadow during solar eclipse
NASA intends to launch three sounding rockets during the total solar eclipse on April 8, 2024, to study how Earth’s upper atmosphere is affected when sunlight momentarily dims over a […]
Spire Global receives DARPA contract to design a VLEO smallsat for in-situ ionosphere data capture
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 […]
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 […]