Handheld Ham Radio Antenna,Walkie Talkie; Used widely at antenna scanner, UHF,VHF Frequency Connect and Radio Station Antenna Convertion; application for most baofeng, Yaesu, Icon, Alinco ...

This chapter focuses on the testing methods and challenges for 5G radios and antennas. It investigates both calibration of the 5G antenna systems and the performance testing of 5G radios. In the ...

They are better when using radios for indoor use, such as around cities or buildings, and for long-distance communication. However, as VHF frequencies are not completely out of use, we still recommend ...

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 ...

Iran has developed a reputation for launching some unconventional naval vessels, some of them downright strange — at least ...

Recently, I came across this article about a 1925 scientist's "ruthlessly imaginative" predictions for the year 2025. He ...

We are at a critical time and supporting climate journalism is more important than ever. Science News and our parent organization, the Society for Science, need your help to strengthen ...

a range of antenna and array designs methods used for their measurement the principles of radiowave propagation The material is developed from fundamental principles and illustrated with numerous ...

Abstract: It is well known that the phenomenon of radiation from line-source antennas is very similar to that of the diffraction of light from narrow apertures. Unlike the optical situation, however, ...

Anyone with delicate sensibilities may wish to stay off London's transport network one Sunday in January 2025, as the No Trousers Tube Ride returns. For the uninitiated, the event is exactly what ...

Local BBC Radio joins BBC Radio 5 live through the night on a weekday.