Van Allen radiation belts are typically two zones of energetic particles encircling the Earth separated by the slot region. How the outer radiation belt electrons are accelerated to relativistic ...

Narrow-band VLF transmitter waves originate from the powerful ground-based VLF transmitters for submarine communications, which are typically over the frequency range of 10–30 kHz. VLF ...

The New Generation SM5 universal tension meter measures the Hertz frequency of all belt types, regardless of the belting and tension-member material. The meter provides a belt-frequency reading of ...