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Need explain of Ground probe

C

cypearl

Member
In Ground probe I know the first we see is the ground vdi but then the three frequencies with numbers like 157degree and then again the frequencies with the residual signal %. What are those big numbers with degrees on frequencies? I know it must to be explained before but I just couldn't find it . thanks for replying.
 
They are the phase angles for the frequencies.
 
You have no reason to calculate anything. The angles and VDI numbers are just two scales used to represent the same thing. -95 VDI = 180 degrees, 0 VDI = 90 degrees etc.

[attachment 269511 ScreenHunter_50Jul.0512.37.jpg]
 
Thanks again Rob, so ech freq represents for example if our ground has a +93 vdi a frequency would show near 170 angle phase but the detector calculates all to give a vdi. And the signal next to each frequency under the ground phase is the residual noise strength for each frequency?
 
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