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Good Measurements ...Finally!

I finally got a higher end spectrum analyzer for proper noise measurements.  The Signal Hound BB60C replaces my SA124A for better accuracy in real-time.  The BB60C is a software defined radio that scans wickedly fast across 6Ghz and can accept input from a direct signal (like coax) or from an antenna.  Output of data is via USB to my Win10 laptop. I wrote a PowerShell script to transform the data into labelled charts. My goal is to use these as collateral to demonstrate the value proposition of AudioWise product and to educate the buyer on 'why' things sound better.  Hint: is all about RF noise.

Below are two charts uploaded to the OPTO•DX product page that clearly indicate the benefit of optical isolation for noise reduction.