Per WP13021
I have scanned the disabled SHV cable from EX Ion Pump X-8. Using a 10' launch cable, on DTF setting, with bandpass set from 10MHz to 50MHz.
The attached plot is from the scan., the following aberations appeared on the cable run:
73m = 1st interface/reflection
130m = 2nd interface/reflection
361m = 3rd interface/reflection
456m = 4th interface/reflection
There were no other reflections beyond 456m. All scans were done at C=1.
M. Pirello, G. Moreno
Cable length is ~250m, assuming cable speed of about 0.5C. Ignore every reflection after 250m.
Reflection marking end of cable is 130m from launch -10m for launch = 120m
Speed of cable = 120m/250m = 0.48C
First reflection in cable is at (73m-10m)*0.48 = 30.24m There is likely a defect in the cable at this point due to the magnitude of the reflection here.