Data

Observatory Operations - Riometer and Magnetometer Data from the Australian Antarctic Territory and Riometer Data from Macquarie Island

Australian Antarctic Data Centre
MORRIS, RAY J. ; BURNS, GARY ; SYMONS, LLOYD
Viewed: [[ro.stat.viewed]] Cited: [[ro.stat.cited]] Accessed: [[ro.stat.accessed]]
ctx_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adc&rfr_id=info%3Asid%2FANDS&rft_id=https://data.aad.gov.au/metadata/records/ASAC_527&rft.title=Observatory Operations - Riometer and Magnetometer Data from the Australian Antarctic Territory and Riometer Data from Macquarie Island&rft.identifier=https://data.aad.gov.au/metadata/records/ASAC_527&rft.publisher=Australian Antarctic Data Centre&rft.description=An analogue data acquisition system (ADAS), designed to collect time-stamped, time series data from any analogue signal is currently used to log data from the riometer, magnetic pulsations and fluxgate magnetometers. Data collection is synchronised to a GPS (global positioning system) chronometer allowing data to be sampled with a time resolution of one millisecond, allowing accurate propagation delays to be estimated from data recorded at multiple sites. A riometer is essentially a wide-angle radio telescope that is used for studying the aurora. It measures the combined signals at 30MHz of the radio stars in its wide (60 degree) vertically oriented beam. The riometer data consists of 30 MHz signal relative intensities determined using a vertically oriented yagi dipole antenna at 10 second sample intervals. Only raw data are generally available. Calibration signals at ~1630UT include a 'zero' reference level. This metadata record also incorporates data from ASAC project 22 (ASAC_22) - Observatory Operations: Riometers, and ASAC project 23 (ASAC_23) - Observatory Operations: All Sky Cameras. To read the ADAS data format, special software must be downloaded and installed. This software is available for download from the url given below. Magnetometer data are supplied in two formats. 1) raw data in ADAS format, and 2) processed data which can be viewed with a text editor. Processed data are held as 1 second averages. It is recommended that processed data be used. At the end of each processed data file, are further quality statements, and information on how to interpret the dataset. For more information on the procedure used to process the data, see ANARE Research Notes 146. The relevant chapter, chapter 30, is available for download at the url given below. For magnetometer data from Macquarie Island or Mawson, please contact Geoscience Australia (www.ga.gov.au). See also the World Data Centre at IPS Radio and Space Services (see the link below), for more finely processed data. The fields in this dataset are: Magnetometer: Station Date Latitude Longitude X component - positive geographic North (horizontal) Y component - positive geographic East (horizontal) Z component - positive downwards (vertical) Riometer: Station Date Digital value signal of cosmic noise at 30 MHz&rft.creator=MORRIS, RAY J. &rft.creator=BURNS, GARY &rft.creator=SYMONS, LLOYD &rft.date=1999&rft.coverage=northlimit=-66.26659; southlimit=-66.29586; westlimit=110.49088; eastLimit=110.56229; projection=WGS84&rft.coverage=northlimit=-66.26659; southlimit=-66.29586; westlimit=110.49088; eastLimit=110.56229; projection=WGS84&rft.coverage=northlimit=-68.57142; southlimit=-68.62554; westlimit=78.06885; eastLimit=78.24188; projection=WGS84&rft.coverage=northlimit=-68.57142; southlimit=-68.62554; westlimit=78.06885; eastLimit=78.24188; projection=WGS84&rft.coverage=northlimit=-67.58201; southlimit=-67.62806; westlimit=62.8157; eastLimit=62.92007; projection=WGS84&rft.coverage=northlimit=-67.58201; southlimit=-67.62806; westlimit=62.8157; eastLimit=62.92007; projection=WGS84&rft.coverage=northlimit=-54.49238; southlimit=-54.51231; westlimit=158.91174; eastLimit=158.9502; projection=WGS84&rft.coverage=northlimit=-54.49238; southlimit=-54.51231; westlimit=158.91174; eastLimit=158.9502; projection=WGS84&rft_rights=This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_527 when using these data.&rft_subject=climatologyMeteorologyAtmosphere&rft_subject=geoscientificInformation&rft_subject=ATMOSPHERIC RADIATION&rft_subject=EARTH SCIENCE&rft_subject=ATMOSPHERE&rft_subject=AURORAE&rft_subject=SUN-EARTH INTERACTIONS&rft_subject=IONOSPHERE/MAGNETOSPHERE DYNAMICS&rft_subject=ENERGY DEPOSITION&rft_subject=SOLAR ENERGETIC PARTICLE PROPERTIES&rft_subject=SOLAR ACTIVITY&rft_subject=MAGNETIC FIELD&rft_subject=SOLID EARTH&rft_subject=GEOMAGNETISM&rft_subject=ANTARCTICA&rft_subject=COSMIC NOISE&rft_subject=AURORA&rft_subject=DATE&rft_subject=ELECTRONS&rft_subject=IONOSPHERE&rft_subject=LATITUDE&rft_subject=LONGITUDE&rft_subject=MAGNETIC FIELDS&rft_subject=MAGNETOMETER&rft_subject=POSITIVE DOWNWARDS&rft_subject=POSITIVE GEOGRAPHIC EAST&rft_subject=POSITIVE GEOGRAPHIC NORTH&rft_subject=RIOMETER&rft_subject=SOLAR EVENTS&rft_subject=STATION&rft_subject=MAGNETOMETERS&rft_subject=RIOMETER > Relative Ionospheric Opacity Meter&rft_subject=FIXED OBSERVATION STATIONS&rft_subject=OCEAN > SOUTHERN OCEAN&rft_subject=OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND&rft_subject=CONTINENT > ANTARCTICA > Davis&rft_subject=CONTINENT > ANTARCTICA > Mawson&rft_subject=CONTINENT > ANTARCTICA > Casey&rft_subject=GEOGRAPHIC REGION > POLAR&rft_subject=VERTICAL LOCATION > IONOSPHERE&rft_place=Hobart&rft.type=dataset&rft.language=English Access the data
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Licence & Rights:

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This data set conforms to the CCBY Attribution License (http://creativecommons.org/licenses/by/4.0/). Please follow instructions listed in the citation reference provided at http://data.aad.gov.au/aadc/metadata/citation.cfm?entry_id=ASAC_527 when using these data.

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Data are available for use in research activities provided consent of, and suitable reference to experiments and principal investigator is given. Data stored in ADAS Format. The data are publicly available for download from the provided URL. Data are available in a number of small download files, rather than one large file.

Brief description

An analogue data acquisition system (ADAS), designed to collect time-stamped, time series data from any analogue signal is currently used to log data from the riometer, magnetic pulsations and fluxgate magnetometers. Data collection is synchronised to a GPS (global positioning system) chronometer allowing data to be sampled with a time resolution of one millisecond, allowing accurate propagation delays to be estimated from data recorded at multiple sites.

A riometer is essentially a wide-angle radio telescope that is used for studying the aurora. It measures the combined signals at 30MHz of the radio stars in its wide (60 degree) vertically oriented beam.

The riometer data consists of 30 MHz signal relative intensities determined using a vertically oriented yagi dipole antenna at 10 second sample intervals. Only raw data are generally available. Calibration signals at ~1630UT include a 'zero' reference level.

This metadata record also incorporates data from ASAC project 22 (ASAC_22) - Observatory Operations: Riometers, and ASAC project 23 (ASAC_23) - Observatory Operations: All Sky Cameras.

To read the ADAS data format, special software must be downloaded and installed. This software is available for download from the url given below.

Magnetometer data are supplied in two formats. 1) raw data in ADAS format, and 2) processed data which can be viewed with a text editor. Processed data are held as 1 second averages. It is recommended that processed data be used. At the end of each processed data file, are further quality statements, and information on how to interpret the dataset. For more information on the procedure used to process the data, see ANARE Research Notes 146. The relevant chapter, chapter 30, is available for download at the url given below.

For magnetometer data from Macquarie Island or Mawson, please contact Geoscience Australia (www.ga.gov.au).

See also the World Data Centre at IPS Radio and Space Services (see the link below), for more finely processed data.

The fields in this dataset are:

Magnetometer:

Station
Date
Latitude
Longitude
X component - positive geographic North (horizontal)
Y component - positive geographic East (horizontal)
Z component - positive downwards (vertical)

Riometer:

Station
Date
Digital value signal of cosmic noise at 30 MHz

Issued: 1999-10-07

Data time period: 1987-10-11 to 2004-12-31

This dataset is part of a larger collection

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110.56229,-66.26659 110.56229,-66.29586 110.49088,-66.29586 110.49088,-66.26659 110.56229,-66.26659

110.526585,-66.281225

78.24188,-68.57142 78.24188,-68.62554 78.06885,-68.62554 78.06885,-68.57142 78.24188,-68.57142

78.155365,-68.59848

62.92007,-67.58201 62.92007,-67.62806 62.8157,-67.62806 62.8157,-67.58201 62.92007,-67.58201

62.867885,-67.605035

158.9502,-54.49238 158.9502,-54.51231 158.91174,-54.51231 158.91174,-54.49238 158.9502,-54.49238

158.93097,-54.502345

text: northlimit=-66.26659; southlimit=-66.29586; westlimit=110.49088; eastLimit=110.56229; projection=WGS84

text: northlimit=-68.57142; southlimit=-68.62554; westlimit=78.06885; eastLimit=78.24188; projection=WGS84

text: northlimit=-67.58201; southlimit=-67.62806; westlimit=62.8157; eastLimit=62.92007; projection=WGS84

text: northlimit=-54.49238; southlimit=-54.51231; westlimit=158.91174; eastLimit=158.9502; projection=WGS84

Subjects
ANTARCTICA | ATMOSPHERE | ATMOSPHERIC RADIATION | AURORA | AURORAE | CONTINENT > ANTARCTICA > Casey | CONTINENT > ANTARCTICA > Davis | CONTINENT > ANTARCTICA > Mawson | COSMIC NOISE | DATE | EARTH SCIENCE | ELECTRONS | ENERGY DEPOSITION | FIXED OBSERVATION STATIONS | GEOGRAPHIC REGION > POLAR | GEOMAGNETISM | IONOSPHERE | IONOSPHERE/MAGNETOSPHERE DYNAMICS | LATITUDE | LONGITUDE | MAGNETIC FIELD | MAGNETIC FIELDS | MAGNETOMETER | MAGNETOMETERS | OCEAN > SOUTHERN OCEAN | OCEAN > SOUTHERN OCEAN > MACQUARIE ISLAND | POSITIVE DOWNWARDS | POSITIVE GEOGRAPHIC EAST | POSITIVE GEOGRAPHIC NORTH | RIOMETER | RIOMETER > Relative Ionospheric Opacity Meter | SOLAR ACTIVITY | SOLAR ENERGETIC PARTICLE PROPERTIES | SOLAR EVENTS | SOLID EARTH | STATION | SUN-EARTH INTERACTIONS | VERTICAL LOCATION > IONOSPHERE | climatologyMeteorologyAtmosphere | geoscientificInformation |

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AU-ANL:PEAU : http://nla.gov.au/nla.party-617536

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