September 24, 2018

GNURadio based FM Radio Receiver using (RTL-SDR)

I. Introduction   II. Commercial Frequency Modulation Electromagnetic waves can be used to carry baseband signals (audio, video, etc.), by altering one of its following characteristics: Amplitude Wavelength (or frequency) Phase Polarization Amplitude alternation of the electromagnetic wave, is called amplitude modulation, can be mathematically written as: The amplitude modulation is the simplest form of […]

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September 17, 2018

Real-Time Decoding of VOR using RTL-SDR

Real-Time Decoding of VOR using RTL-SDR Introduction VHF Omnidirectional Range (VOR) is a subset of Aircraft Navigation technique falling under point source navigation, which also includes Direction Finders, DME, and Tacan. These technologies predate 1996 and many of the civilian and military aircraft are equipped with these systems, which makes them popular even in the modern era. The adoption […]

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