Focus Microwaves introduces a multi-carriage tuner stability kit (SK).
SK is most valuable for on-wafer setups, whereby the tuners use an extended (bend) airline, to maximize the tuning range.
SK can be added to existing tuners.
SK provides probe vertical stability of the order of 1 micrometer;
The last digit on the Mitutoyo scale on the Video is 0.00001" (0.25 micrometers): see video.