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March 3rd 07, 03:46 PM
posted to rec.radio.amateur.boatanchors
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Themocouple RF antenna current meters.
Came across a couple of those RF antenna current meters. Typical they
have a scale up to three of five amps. One is US and other is UK war surplus. AIUI the meter movement is driven by a small DC current produced from the output of the thermocouple. The thermocouple being heated by the RF current. Looks like the meter itself is a one or five milliamp movement. Can anyone comment/advise? Thanks. |
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