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Glacier Bay oceanography raw data hex files (OC_B)

Published by National Park Service | Department of the Interior | Catalog Last Checked: March 04, 2026 at 06:51 AM | Dataset Last Updated: December 10, 2020 at 12:00 AM
"HEX" files are the raw output of the Sea-Bird oceanographic CTD profilers. They contain frequencies and voltages output by sensors in a proprietary format set by Sea-Bird Electronics, Inc. These files are not readable by common applications. To work with these data, one typically first processes them using specialized software from Sea-Bird Electronics that converts the raw counts into engineering units, such as degrees C. This processing requires the availability of "CON" calibration files that fully define the sensors on the particular CTD unit, and results in the OC_C deliverable available elsewhere on this site. Each file is headed with metadata text. Following this are strings representing hexadecimal values of raw instrument readings; each line containing all sensors in the instrument array. Under the latest protocol OC-2014.1 there are approximately two lines recorded per second.

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Complete Metadata
@type dcat:Dataset
accessLevel public
bureauCode 
                                            [
  "010:24"
]
contactPoint 
                                            {
  "fn": "NPS IRMA Help",
  "@type": "vcard:Contact",
  "hasEmail": "mailto:NRSS_DataStore@nps.gov"
}
description "HEX" files are the raw output of the Sea-Bird oceanographic CTD profilers. They contain frequencies and voltages output by sensors in a proprietary format set by Sea-Bird Electronics, Inc. These files are not readable by common applications. To work with these data, one typically first processes them using specialized software from Sea-Bird Electronics that converts the raw counts into engineering units, such as degrees C. This processing requires the availability of "CON" calibration files that fully define the sensors on the particular CTD unit, and results in the OC_C deliverable available elsewhere on this site. Each file is headed with metadata text. Following this are strings representing hexadecimal values of raw instrument readings; each line containing all sensors in the instrument array. Under the latest protocol OC-2014.1 there are approximately two lines recorded per second.
distribution 
                                            [
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1993.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1993 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610755?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1994.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1994 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610754?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1995.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1995 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610753?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1996.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1996 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610752?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1997.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1997 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610751?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1998.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1998 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610750?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_1999.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "1999 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610749?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2000.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2000 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610748?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2001.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2001 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610747?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2002.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2002 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610756?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2003.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2003 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610746?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2004.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2004 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610745?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2005.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2005 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610744?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2006.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2006 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610743?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2007.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2007 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610742?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2008.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2008 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610741?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2009.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2009 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610740?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2010.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2010 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610739?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2011.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2011 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610738?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2012.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2012 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610737?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2013.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2013 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610736?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2014.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2014 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610735?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2015.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2015 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610734?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2016.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2016 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610733?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2017.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2017 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/610732?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2018.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2018 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/616735?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2019.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2019 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/630234?Reference=2257925"
  },
  {
    "@type": "dcat:Distribution",
    "title": "HEX_2020.zip",
    "format": "zip",
    "mediaType": "application/zip",
    "description": "2020 SEAN oceanography raw data hex files (OC_B)",
    "downloadURL": "https://irma.nps.gov/DataStore/DownloadFile/651981?Reference=2257925"
  }
]
identifier http://datainventory.doi.gov/id/dataset/NPS_DataStore_2257925
issued 2020-12-10T00:00:00Z
keyword 
                                            [
  "Alaska",
  "CTD",
  "Ecological Framework: Water | Hydrology | Marine Hydrology",
  "GLBA",
  "Glacier Bay",
  "Glacier Bay National Park",
  "Icy Strait",
  "Monitoring",
  "OBS",
  "Oceans",
  "PAR",
  "SEAN",
  "Salinity",
  "Southeast Alaska Network",
  "Temperature",
  "Turbidity",
  "chlorophyll-a",
  "field log",
  "fluorometer",
  "oceanography",
  "photic depth",
  "photosynthetically available radiation",
  "physical oceanography",
  "sigma-t"
]
landingPage https://irma.nps.gov/DataStore/Reference/Profile/2257925
modified 2020-12-10T00:00:00Z
programCode 
                                            [
  "010:118",
  "010:119"
]
publisher 
                                            {
  "name": "National Park Service",
  "@type": "org:Organization"
}
spatial -138.593582,58.1591148,-135.316727,59.48305
temporal 1993-01-01/2020-01-01
theme 
                                            [
  "Generic Dataset"
]
title Glacier Bay oceanography raw data hex files (OC_B)

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