COMMON QUESTIONS

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Designing instrument installations

Installing instrumentation

Instrument response and calibration

Data Acquisition

Configuring digitisers and digital instruments

Filter Coefficients

Troubleshooting

Digitiser troubleshooting

Accessing or enabling technical support

How do I determine FIR filter information from GCF data?

It is useful to be able to find out, for a given block of seismic data, what filters have been…

It is useful to be able to find out, for a given block of seismic data, what filters have been applied to it to get it into its present form.

DM24, CD24 and Affinity digitisers set a byte within every block of GCF data, which identifies the sequence of filters in use. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the DM24 Mk3?

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE This information applies to most modular DM24 units…

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE

This information applies to most modular DM24 units and digital instruments manufactured after 2004. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the 6TD and CD24?

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE This information applies to all 6TD and EDU…

NOTE: THIS LINK WILL FIRST TAKE YOU TO A LICENCE ACCEPTANCE PAGE

This information applies to all 6TD and EDU systems manufactured after 2005. These digitisers are single-channel units based on the CD24 compact digitiser module. It also applies to stand-alone CD24 digitisers. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for the (legacy) DM24 Mk2?

NOTE: THIS LINK TAKES YOU FIRST TO A LICENCE ACCEPTANCE PAGE This information applies to all CMG-DM24 units manufactured before…

NOTE: THIS LINK TAKES YOU FIRST TO A LICENCE ACCEPTANCE PAGE

This information applies to all CMG-DM24 units manufactured before 2004, and any Mk2 units manufactured after that date. Read more...

Filter Coefficients Data Acquisition

What are the FIR filter coefficients for older (legacy) 6TDs?

This document describes the sequence of FIR filters used by the 6TD instruments manufactured before the introduction of the CD24…

This document describes the sequence of FIR filters used by the 6TD instruments manufactured before the introduction of the CD24 digitiser. Read more

Filter Coefficients Data Acquisition

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