> ## Documentation Index
> Fetch the complete documentation index at: https://data.avert.ldeo.columbia.edu/llms.txt
> Use this file to discover all available pages before exploring further.

# CLCO

> Cleveland Concorde Point

## Time Series Plots

More GNSS data are available from the [Nevada Geodesy Laboratory](https://geodesy.unr.edu/NGLStationPages/stations/CLCO.sta).

<img src="https://geodesy.unr.edu/gps_timeseries/IGS20/tsplots/IGS20/TimeSeries/CLCO.png" alt="CLCO time series plot" style={{ maxWidth: "100%" }} className="rounded-lg" />

## Station Information

**Location:** Concorde Point, the south-easternmost point of Chuginadak Island, Cleveland volcano, Alaska

**Installation Date:** May/June 2023 (AVERT project). CLCO was a pre-existing AVO site; GNSS was added in 2023.

**Instrumentation:**

* Tallysman VeraChoke 6100 GNSS antenna
* AlertGeomatics Resolute Polar receiver
* Polar mast monument (due to limited solid bedrock exposure)

**Data Collection:**

* Position data recorded at two rates: 30 s (standard) and 1 s (high rate)
* High-rate data only telemetered during events of specific interest to minimize bandwidth consumption

**Data Access:**

* Raw RINEX files available from EarthScope Data Management Center
* Network code: AV ([https://doi.org/10.7914/SN/AV](https://doi.org/10.7914/SN/AV))

**Co-located instruments:**

* 5-instrument infrasound array
* Broadband seismometer
* Webcam