What is the Medium Frequencies range?

Prepare for the NGA 21 Locating and Marking of Facilities Test with our study material, flashcards, and multiple-choice questions that offer hints and detailed explanations. Get ready to succeed in your certification!

Multiple Choice

What is the Medium Frequencies range?

Explanation:
Medium frequencies are the band used to balance depth and resolution when locating buried utilities. This range is commonly defined as about 8 kHz to 33 kHz. It sits between the lower, deeper-penetrating signals and the higher, more detailed but shallower signals. Using 8–33 kHz gives enough signal strength to detect pipes and cables at typical depths while still providing clear location accuracy. Lower ranges travel farther but are less precise and more prone to noise, while higher ranges offer better resolution but don’t penetrate as far. That’s why 8 kHz to 33 kHz is considered the medium-frequency range.

Medium frequencies are the band used to balance depth and resolution when locating buried utilities. This range is commonly defined as about 8 kHz to 33 kHz. It sits between the lower, deeper-penetrating signals and the higher, more detailed but shallower signals. Using 8–33 kHz gives enough signal strength to detect pipes and cables at typical depths while still providing clear location accuracy. Lower ranges travel farther but are less precise and more prone to noise, while higher ranges offer better resolution but don’t penetrate as far. That’s why 8 kHz to 33 kHz is considered the medium-frequency range.

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