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 transmitter ...
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Panel (a) shows the trajectory of MSS1-A crossing the SAA on a geographic map, the color indicates the integral flux of 40-750 keV electrons, accompanied by L-shell contour lines. The star marks the ...
Quasiperiodic (QP) very low frequency (VLF) emissions are intermittent bursts of electromagnetic energy, observed in the frequency range of approximately 3–30 kHz, that recur at quasi-regular ...
Collins Aerospace, Richardson, Texas, has been awarded a $99,500,000 indefinite-delivery/indefinite-quantity contract for Common Very Low Frequency (VLF)/Low ...
CEDAR RAPIDS — Collins Aerospace, Cedar Rapids’ largest employer, won a $42 million, 30-month U.S. Air Force contract to develop a so-called very low frequency, or VLF, receiver for its strategic ...
Collins Aerospace will start designing a Very Low Frequency (VLF) communication system under a newly awarded contract for the U.S. Navy, adding a second major piece of the long-term plan to replace ...
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