Here are two possible solution at this issue.
Place your PICC in free air at least with 30cm up and down from any obstacle.
You can use the extended tolerance of 2% as noted in the version of november 2018 of the MV® Level 1 Specifications for Payment Systems specification
If your still cannot calibrate your PICC with a VNA, please contact firstname.lastname@example.org
This issue can happen when you're not doing the measurement in an incorrect environment or when you’re using a VNA from a different manufacturer than the one used for the qualification.
Collaborate with other users in our discussion forums
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