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Channel Summary

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Networks (1 time spans)

4F 2015-01-01 2025-12-31

Station Epochs (1 time spans)

ALVA 2015-05-01 2016-08-18

Channel Epochs (1 time spans)

HHZ 2015-05-01T00:00:00 2016-08-17T23:59:59

4F : ALVA : 00 : HHZ (2015-05-01 - 2016-08-17)

Network

Map DOI

Station

ALVA

Map

Location

Channel

HHZ

Instrument

Nanometrics Trillium Compact/Taurus Standard 47k

Start

2015-05-01T00:00:00 (121)

End

2016-08-17T23:59:59 (230)

Data Center

IRISDMC

Latitude

32.3992

Longitude

-97.092499

Elevation (m)

168.0

Depth (m)

0.0 (Local depth or overburden)

Azimuth

0.0 (SEED convention: Clockwise from north, Z=0, reversed=0)

Dip

-90.0 (SEED convention: From horizontal, Z=-90, reversed=90)

Sample Rate (Hz)

200.0

Units

M/S

Sensitivity

7.47783E8 @ 0.5 Hz (SEED Stage 0)

IRISDMC metadata changes:

Virtual network affiliations:

Name	Description
_PAS-OPEN	IRIS PASSCAL Unrestricted Stations
_PASSCAL	IRIS PASSCAL Experiment Stations