An artist’s conception shows Spaceflight’s Sherpa-FX, the first orbital transfer vehicle to debut in the company’s Sherpa-NG (next generation) program. The vehicle is capable of executing multiple deployments, as well as providing independent and detailed deployment telemetry. (Spaceflight...
Tethers Unlimited
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Tethers Unlimited delivers software-defined radios to Millennium Space for satellite constellation

The SWIFT-SLX radio is a compact, affordable software-defined radio designed to provide S-band and L-band communications for small satellites. (Tethers Unlimited Photo)Bothell, Wash.-based Tethers Unlimited says it has completed an on-time delivery of 15 S-band software-defined radios in support of...
Four microsatellites will study how the sun’s outer atmosphere, or corona, imparts energy and mass to the solar wind during NASA’s PUNCH mission. (SwRI Illustration)Bothell, Wash.-based Tethers Unlimited says it’s struck a deal to provide key communications and propulsion capabilities to...
Amergint acquires Tethers Unlimited to focus on satellite communications and space services

An artist’s conception shows Tethers Unlimited’s LEO Knight robotic servicing spacecraft working on the company’s HyperBus payload platform. (Tethers Unlimited Illustration)Colorado-based Amergint Technology Holdings says it has acquired Tethers Unlimited, a Bothell, Wash.-based space venture...
Artwork shows Tethers Unlimited’s Hyperbus platform in Earth orbit. (Tethers Unlimited Illustration)Two Seattle-area space ventures — Tethers Unlimited and Rocket Propulsion Systems — are among 124 businesses receiving $750,000 Phase II grants from NASA’s Small Business Innovation Research...