Blue Origin’s rocket reuse achievement marred by upper stage failure

The third flight of Blue Origin’s heavy-lift New Glenn launcher began Sunday with the company’s first successful reflight of ...

Delta Air Lines Ditched Starlink For This: Inside Amazon Leo's Secret Weapon For Ultra-Fast Inflight WiFi

Delta Air Lines’ decision to pivot away from Starlink and align itself with Amazon’s low Earth orbit (LEO) satellite network ...
IEEE

Integration of SSPP Antenna and Vivaldi Arrays for 5G Sub-6 GHz and Millimeter-Wave Applications

Abstract: An integrated antenna system covering 5G Sub-6 GHz and millimeter-wave bands is proposed, combining a spoof surface plasmon polariton (SSPP) antenna and two Vivaldi arrays. The integrated ...

A $7,000 DIY radar project is taking on hardware that usually costs over $100,000

Rather than presenting a stripped-down proof of concept, Motii has published a complete, buildable system. The Aeris-10 ...
IEEE

Design, Simulation, and Construction of a Novel Adjustable Wideband and Multi-Polarized Unit Cell of Reflect-Array Antenna by One or Two Control Bits in X and Ku Bands

Abstract: The purpose of this paper is to design and simulate a unit cell with wideband and multi-polarization for a reflect-array antenna. The bandwidth of the proposed structure is greater than 70% ...