Interfering Emissions

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(Currently in active use)
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Unknown or Intermittent
Signal Name Description Frequency Mode Modulation Bandwidth Location Sample Audio Waterfall image
High Speed USB Noise High Speed USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) 2.0 clock noise. Shows up at multiples of 480 MHzMegaHertz (MHz) 10^6 Hz. 480 MHzMegaHertz (MHz) 10^6 Hz — 960 MHzMegaHertz (MHz) 10^6 Hz RAW 200 kHzKiloHertz (kHz) 10^3 Hz Worldwide USB noise.png
Lightning Sferics VLFVery Low Frequency (3-30 kHz) RFRadio Frequency emissions from lightning in the atmosphere that can affect up to HFHigh Frequency (3-30 MHz) frequencies and beyond depending on strength. Has a popping crackle sound with both USBUpper Side Band Modulation (Radio, referring to reception and modulation mode)Universal Serial Bus (Computer, referring to USB Ports and cables) and AMAmplitude Modulation modes of reception. HzHertz (Hz), unit of frequency, defined as one cycle per second (1 Hz). — 30 MHzMegaHertz (MHz) 10^6 Hz Worldwide Lightening Sfpherics.png

Pages in category "Interfering"

The following 3 pages are in this category, out of 3 total.