Frequently Asked Questions

Here are answers to questions we commonly receive from our customers. They may provide a rapid solution to your technical support need.

If you do not find the information you need below, please contact our customer support team.

faq 300 x 200

land exploration 210x80

Installation and Operation

 data management 210 x 80

Scream, GCF and other data formats

respFIRs

Responses, Calibration and Filter Coefficients

diags

Troubleshooting and diagnostics

How do I create low noise environments for surface seismometers?

How do I create low noise environments for bore-hole seismometers?

How do I earth a borehole sensor?

How do I determine sensor orientation?

How do I install a CMG-3T in a vault?

How do I minimise sensor offsets?

How do I install a CMG-6TD?

How do I install GPS receivers?

How do I use GPS receivers with long cables?

How do I configure digitisers and digital instruments for dial-up connections?

How do I choose between data transmission modes?

How do I configure triggering for a dial-up installation?

How do I set up External Triggering?

How do I ensure my system is secure?

How do I receive ground motion notifications from my EAM- or NAM-based system?

What is cross-axis rejection?

How do I build networks with Scream!?

How do I run simultaneous Scream! instances?

How do I manage units and scaling in Scream!?

How do I use InfoBlocks with Scream!?

How do I use InfoBlocks with digitisers?

How do I explore the frequency domain in Scream?

How do I understand Stream IDs?

What is the GCF format?

How do I use GCF data in third party software?

How do I extract data from GCF files?

What are heartbeat messages?

What tools are there to work with GCF data?

How do I run Scream on a 64-bit Linux system?

How do I integrate Scream with the Dash on an Ubuntu system?

How do I transmit mini-SEED over SEEDlink from a Platinum system?

How do I get Poles and Zeroes with positive normalisation factors?

How do I express response information in SEED files?

How do I calibrate using a broadband noise source?

How do I calibrate using a sine-wave signal?

How do I calibrate using a square wave (step) signal?

How do I determine FIR filter information from GCF data?

What are the FIR filter coefficients for the CMG-DM24 Mk3?

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

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

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

How do I cope with instruments with non-standard responses?

Need I worry about leap seconds?

Why is my mouse making random movements?

How do I distinguish between Mk2 and Mk3 CMG-DM24 digitisers?

How do I troubleshoot DM24 mk3 digitisers?

How do I troubleshoot (legacy) DM24 mk2 digitisers?

How do I troubleshoot (legacy) DCM installations?

How do I record mass-locking and unlocking operations?

How do I retrieve a copy of /var/log/messages from a Platinum system?

How do I lock a CMG-3ESPC(D) in an emergency?

How do I restore the GCF context menu in Windows?

How do I run Scream on a 64-bit Linux system?

 Submit EnquiryContact UsContact Local Distributor
 

You can view our case studies to find out more about how our instrumentation is used around the world.

Address

 

Guralp Systems Limited
Midas House
Calleva Park
Aldermaston
Reading
RG7 8EA, UK

Tel: +44 118 981 9056
Fax: +44 118 981 9943
E-Mail: sales@guralp.com

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