Updating SEED Responses in PDCC After Calibration.

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Presentation transcript:

Updating SEED Responses in PDCC After Calibration

November 2009 Cairo, Egypt IRIS - ORFEUS Data Management Workshop SEED Fields to Update 1 Sensitivity: Sensor gain (Stage 1, Blockette 58) Total sensitivity (Stage 0, Blockette 58) Frequencies of gain and sensitivity The total sensitivity for a channel should be the product of the stage gains (if the frequencies of the stage gains are the same).

November 2009 Cairo, Egypt IRIS - ORFEUS Data Management Workshop Changing the Sensor Gain 2

November 2009 Cairo, Egypt IRIS - ORFEUS Data Management Workshop Changing the Total Sensitivity 3

November 2009 Cairo, Egypt IRIS - ORFEUS Data Management Workshop Other Potential Updates 4 New Poles and Zeros are entered in Stage 1, Blockette 53 Data logger configuration changes usually mean digital filter changes. FIR filters are in Blockette 54’s and IIR filters are in Blockette 53’s (or 54’s)