Brand CELWAVE & Ericksson
Unit Type Unit
MPN ZR8-101-0103/003
Unit Quantity 1
Country of Origin United States

Check the listing for details. microwave calibration standard 80.5mm Elect length stub test data type N. Condition: Used, Made in United States. Listed at 45.00 USD. Eachfull cycle of phase (360°) corresponds to ahalf-wavelength change for a shorted stub. That is the last image. L = \frac{c}{2 \Delta f} \approx 80.5 \text{ mm} L = 2Δ f c ≈ 80.5 mm. Your88 mm included the adapter, but the stub itself (from the N connector reference plane to the set screw) is73.26 mm.

$27.00
$45.00