Some folks should stick to doing basic repairs.
Original video Here For Your Entertainment.
He admits he's using a couple 60 DB attenuators which is why those spurs are not very large on his Spectrum analyzer but if you remove one of those attenuators it would be much more obvious. He admits he sees the harmonics produced by the radio but he thinks that they are so small that they don't matter and he's scratching his head wondering why there are harmonics coming from the amplifier. Look closely frame-by-frame.
It all starts with the radio. Notice he blames the amplifier for doing the job it was designed to do.
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