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In Reply to: Additional Data for You, Jon, Validating the Measurement System posted by Maxamillion on April 5, 2011 at 18:23:46:
....what you are measuring is primarily magnetic in nature, not E-field so much.
Just as an FYI, a good E-field probe would be an open dipole, that is, two short wires at 180 degrees to each other coming out of a shielded cable at right angles. Thus, the overall appearance would be that of a "T" with the two top portions of the "T" separate and not connected. One side of the top of the "T would be connected to the shield/ground, the other to the center probe. This would ideally be operated into a very high impedance, avoiding any low impedance loading as much as possible.
I suspect that the TrueRTA may have a medium input impedance, rather than a very high one.
BTW, thank you for not taking my comment as an attack, it was just an observation of what you presented initially. Sometimes it is hard to tell just from a text message what the tone is, and it can be hard to convey such nuances.
Jon Risch
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Follow Ups
- OK, but this shows that .... - Jon Risch 18:34:23 04/06/11 (1)
- RE: OK, but this shows that .... - Steve Eddy 09:52:51 04/07/11 (0)
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