Finding services
Sensitivity
7 things filed against this subject, in every format the Bureau holds.
Power and Radio: What the Passive Modes Miss
Why passive scanning is not enough on its own. What Power and Radio modes can and cannot see, why the same cable answers differently at different times of day, pot ended cables, and what the twin aerial design is doing.
Watch 47:01 →What the Locator Tones Sound Like On Site
A field exercise recorded for the sound: how the CAT and the Genny answer, and how the tone shifts as the locator moves.
Watch 1:07 →Hearing Both Frequencies
Setting sensitivity until both frequencies read as a little flutter, and what you learn from hearing them separate.
Watch 2:15 →Scan Technique and the Sensitivity Habit
Why zigzag scans are outdated, and the sensitivity habit that separates a survey from a walk with a beeping box.
Watch 2:20 →Too Much Signal: Taming the Sensitivity Control
Full signal is not always your friend: the erratic CAT, backing the output down, and finding the level that traces clean.
Watch 2:07 →Genny and CAT Training: The Full Run-Through
The whole method end to end in under ten minutes: pre-use checks, applying a signal, locating, pinpointing and taking a depth reading.
Watch 9:40 →