The energy beamed from space won’t be enough to run more than a coffee maker—but if all goes to plan, Japan will soon make history by transmitting solar power wirelessly from orbit to Earth. This year ...

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Raspberry Pi Zero 2 W-based 3-antenna switch for HF (100W), controlled via Flask. Uses ANMBEST 4-channel relay (active HIGH), Freenove Breakout Board HAT, and SO-239s in a DXE-UE-2P box with Alpha ...

Abstract: Due to variation of High frequency as well as distance between transmitting and receiving stations, it is not always feasible to change the height of wide band HF dipole antenna in order to ...

Department of Electrical and Computer Engineering, University of Cyprus, Nicosia, Cyprus • A microfluidically beam-reconfigurable antenna based on graphene liquid for mmWave communication systems is ...

Maryland’s Kent County High School used its newly minted K3ARS amateur radio station to work 40 stations on the ARRL’s school club roundup day. We reported in January on the ham station’s rollout as ...

I’m working with a LLaMA-based model that has a LoRA (Low-Rank Adapter) applied, and I’m using beam search in Transformers. I’m trying to debug how the final beam scores are computed, because the step ...

With most of the radio frequency (RF) spectrum already occupied, engineers had to find new ways to use it more efficiently, with encoding schemes such as quadrature amplitude modulation or phase-shift ...