COMMON QUESTIONS
How do I earth a borehole sensor? Open
To achieve the best performance from any borehole instrument, you must make sure that the sensor electronics, its casing and…
How do I determine borehole sensor orientation? Open
A Matlab extension for Scream! lets you easily determine the exact orientation of a borehole sensor relative to a reference…
How do I minimise sensor offsets? Open
To obtain the highest quality seismic data, it is desirable to ensure that the output of the sensor-digitiser system is…
What is cross-axis rejection? Open
Cross-axis rejection is the ability of a component of a triaxial instrument to ignore signals which arrive perpendicular to the…
How do I install a 3T sensor in a vault? Open
This guide will help you set up a Güralp 3T instrument and DM24 digitiser in a seismic vault, with (optionally)…
How do I install a 6TD? Open
Güralp 6TD seismometers are ideal for cost-effective, rapid seismic installations. This guide describes the entire procedure of testing and installing…
What are differential and singled-ended connections? Open
This page discusses two concepts in analogue signal transmission: “single-ended” and “differential”. Analogue signals are used to convey the output…