GNU Radio - Screen Shots

Additional commentary and annotation Coming Soon!

Broadcast FM band centered near 92 MHz

 [Image of Broadcast FM band centered near 92 MHz]

GUI of FM Demod application

Bottom left is 80 kHz wide complex down converted channel

Top left is 80 kHz wide output of quadrature demod.
The spike at 19 kHz is the FM stereo pilot tone.
The stuff to the left is the L+R channel.
Centered at 38 kHz is the supressed carrier AM modulated L-R signal.

Right side is 16 kHz audio output.

 [Image of FM Demod Application]


Narrow band channelized signals

 [Image of Narrow band channelized signals]

Spread spectrum signal

Interesting...

 [Image of Spread  spectrum signal]


Broadcast TV Channel 35

The picture carrier is at 5.75 MHz on the display.
Audio is off scale to right.

 [Image of Broadcast TV Channel 35]