Interferance signal from old computer screen

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computer screen interferance
Screenshot 2021-01-11 133411.png
Frequencies 639.006 MHz
Frequency Range 639 Hz - 639 Hz
Mode AM, DSB
Modulation
ACF
Bandwidth 23 kHz
Location WORLDWIDE
Short Description A very crunchy signal coming from my Old hyundai computer screen, the sound changes depending on what is shown on the screen
I/Q Raw Recording
Audio Sample

Frequencies[edit]

639 - 640 Mhz