GNU Radio - Screen Shots
Additional commentary and annotation Coming Soon!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.
Narrow band channelized signals
Spread spectrum signal
Interesting...Broadcast TV Channel 35
The picture carrier is at 5.75 MHz on the display.Audio is off scale to right.