Received them very quickly. I tested them on a calibrated VNA with a known good load from 50MHz to 3GHz. 4 of them showed an SWR of 1.04 or less over the entire range, making them indistinguishable from a completed calibration. A DC test with the Fluke 115 showed that 4 of them were within 1% of 50 ohms. The latter measures 56 ohms at DC and shows an SWR increase of up to 3:1 from 2.1 to 3 GHz. I suspect a production problem of an abnormal termination. Still, it's a good price for 4 great endings.
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