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Not strictly Agilent/HP, but I recently bought a 2nd hand N-Type cal kit for the 3 HP VNA's I have.?

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I did originally want a new kit from Kirkby Microwave, but after 3 or 4 emails over the course of a few weeks with no response I gave up.?

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So I have this 2nd kit, the pin depth checks out ok on it. Problem is the foam has deteriorated in the case, and some of it has got into the connectors. I've tried IPA with a swab and got the worst of it out, but some stubbornly remains. Any suggestions to dissolve the black sticky residue? Or otherwise clean these connectors.

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Problem number 2 is creating a definitions file for the 8519C, 8753C? and 8571A although 85054A?