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Need help understanding spectrogram readings

Question asked by jcm20736 on Apr 10, 2016
Latest reply on Apr 11, 2016 by am95405
I was given an Agilent n9343c analyzer to use in order to  hopefully capture some strange signal frequencies in my home.  We were looking for any odd variation in signals that would explain the radio signal noises humming and mumbling voice sounds that several guests have complained of hearing.  Also to look for interference that could explain why 3 of my computers and 2 tablets and an iPhone have gone completely black

I don't really know what I'm doing with the analyzer  and I'm not sure what normal spectrogram readings look like vs abnormal.

I have some shots I'd like to have analyzed by someone who knows their stuff.  Can anyone point me in a direction?