The Raspberry Pi Compute Module 4 has a built-in WiFi antenna, but that doesn’t mean it will work well for you – the physical properties of the carrier board impact your signal quality ...

In January 1953, Ross Bateman, W4AO, and Bill Smith, W3GKP were working on the 2-meter band when they heard their own echoes come back very weakly to their antenna after reflection on the Moon. Due to ...

In the doc ‘Design Guide: TIDEP-01027：High-End Corner Radar Reference Design’，DDMA based on the empty sub-band is introduced, In this paper,take Nt=4(the tx antenna number) and Ne=2 (the empty band ...

Abstract: This study compares microstrip antennas with two distinct feeding techniques and different substrates for S-band applications. Microstrip patch antennas are known ... two rectangular slots ...

The 10-meter band is a portion of the shortwave radio spectrum internationally allocated to amateur radio and amateur satellite use on a primary basis. The band consists of frequencies stretching from ...

Abstract: A dual-band and dual-polarization antenna with independent frequency reconfigurable capacity is proposed. The antenna is composed of four radiation patches based on corrugated structure ...

The best indoor TV antennas let you receive free over-the-air broadcast TV channels without having to install a large outdoor antenna on the roof of your home. You’ll find that the main ...

The radar antenna reflector for the NASA-ISRO Synthetic Aperture Radar (NISAR) mission arrived at the spacecraft integration ...

Here’s how it works. I couldn't live without a TV antenna. It's as important to me as any streaming service because it allows me to watch sports, sitcoms and news without having to pay a monthly ...

Impact and progress Frontiers' impact Progress Report 2022 All progress reports ...