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electronics warfare
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The Evolution of Electronic Warfare: From Telegraph Tapping to Space-Age Surveillance

9M2PJU April 1, 2025

Electronic warfare (EW) has evolved alongside the development of communications and sensing technologies, transforming from…

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electromagnetic spectrum
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The Electromagnetic Spectrum: Understanding the Fundamentals

Introduction Electronic warfare (EW) involves the strategic use of the electromagnetic (EM) spectrum to gain…

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March 31, 2025
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Antena Dipole Separuh Gelombang

Seperti yang kita sudah sedia maklum, dipole antenna adalah antenna ringkas yang boleh dibuat dari…

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November 21, 2011
band frequency satellite wavelength
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Satellite Bands

Following are the frequency ranges used in satellite communications. L-band (390 MHz-1.55 GHz) GPS satellites,…

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September 19, 2011
band fiber frequency optics wavelength
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Optical Bands

The spectrum for transmission in singlemode optical fibers has been broken into the following wavelength…

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September 19, 2011
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Wavelength

The distance between crests of a wave. The wavelength determines the nature of the various…

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September 19, 2011
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Doppler effect

The sudden change in pitch of a car horn as a car passes by (source…

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December 4, 2009
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Amateur Vertical Antenna Web Based Calculator

While search for something, i have found this website. i think is it good to…

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October 12, 2009

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