Abstract: A roof automobile antenna for Long Term Evolution, navigation system, and frequency modulation (FM) applications is presented. The proposed antenna is installed in shark-fin housing on the ...

Abstract: This letter presents the compact hybrid choke rings for the dual-band circularly polarized global positioning system (GPS) antenna, in order to suppress the surface wave propagation and ...

In Taiwan, a 23-year-old student has been arrested for triggering an alarm in the local railway company's digital radio system using “Software Defined Radio” (SDR) and various handheld radios. This ...

A 23-year-old university student in Taiwan was arrested for interfering with the TETRA communication system used by the country's high-speed railway network (THSR). According to local media reports, ...