With the increasing importance of space-borne antennas in very low-frequency (VLF: 3–30 kHz) transmitting system, it is essential to study radiation characteristics of a radiator in ionosphere. In ...

A novel compact ultrawideband biconical antenna with the impedance bandwidth of 200-965 MHz for VSWR less than 2.35 is proposed. Two metal disks and cylinders are loaded around a traditional biconical ...

PDF for physics from the official Punjab Board website. Access chapter-wise details for physics with the link to download the ...

Geophysics Survey Reveals Striking Similarities to World-Class Mountain Pass Rare Earth Deposit; Geochemical Anomalies ...

Earth’s magnetic field strength and atmospheric oxygen levels have oscillated in tandem for around 540 million years, according to a NASA-led study, pointing to a deep-Earth process that could knit ...

Earth’s magnetic field has correlated with fluctuations in atmospheric oxygen, according to a newly released study.