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| To: | [email protected] |
|---|---|
| Subject: | Re: LF: E-Field Probe calibration question |
| From: | "Roelof Bakker" <[email protected]> |
| Date: | Thu, 01 Apr 2010 11:59:12 -0000 |
| In-reply-to: | <[email protected]> |
| References: | <[email protected]> |
| Reply-to: | [email protected] |
| Sender: | [email protected] |
| User-agent: | Opera Mail/10.51 (Win32) |
Hello Andy,You could mount the probe at various heights above the car and see how the measured values agree with the calculated values. The bottom of the car forms a capacitor to ground. My guess is that this capacitance is large enough to let the probe "see" a ground that does not significant differ from real ground. But this is just guessing. I have tried to use the body of a car as an E-field probe, but this did not work very well due to the afore mentioned capacitance to ground. Best regards, Roelof Bakker, pa0rdt |
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