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| To: | [email protected] |
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| Subject: | LF: Rogowski-coils for RF measurements |
| From: | DK7FC <[email protected]> |
| Date: | Mon, 22 Oct 2018 15:04:21 +0200 |
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Hi all,Has someone ever build (homemade, not bought!) a Rogowski-coil for RF current measurements? https://en.wikipedia.org/wiki/Rogowski_coilIt could be used to measure leakage currents in a tower near the antenna wire for example. Or for measuring RF currents into a pole of a guide rail, for example :-) I'm planning to build one and i thought i use 0.4 mm diameter enameled cu wire arround a graden hose, having 0.6m circumference. Then some shrinking tube will be applied. That's the plan. The circuit looks easy, it should be run from a 9V battery and a simple TL081 for example. The output could be adapted to a multimeter, so there is a digital read-out. I'm curious to see how it works... 73, Stefan |
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