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The inventions and products featured on these pages were chosen either for their uniqueness in the RF engineering realm, or are simply awesome (or ridiculous) enough to warrant an appearance.

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DMMCheck Plus Calibrator - RF Cafe Cool ProductFellow amateur radio enthusiast Russ Keller (KM4RHK), of Wake Forest, North Carolina, is selling his DMMCheck Plus test device for verifying the accuracy of digital multimeters, oscilloscopes, or other instruments w

 

specific costs.

 

 

Posted October 7, 2019

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