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HMO-PSWS PPM Total Magnetic Field Studies at SANAE IV, Antarctica

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Abstract: Absolute magnetic field studies at SANAE IV, Antarctica, are conducted with a GSM-19W high sensitivity proton magnetometer sensor, using the Overhauser effect to detect the absolute magnetic field. It is a In Situ land based application operating on base station mode, located at 71.67443?S 2.83058?W. The instrument provides a 0.2nT absolute accuracy over the full temperature range (-40?C to 60?C), with 0.01nT resolution.

The data have a temporal resolution of 5 seconds, and are stored with a time stamp and total field reading. Data are output in ASCII, and folders are named per date, e.g. SNAOVH1-yyyymmdd. Data units are nano Tesla.
Related URL
Description: Heliosphere Impact on Geospace - IPY Project 63

Description: IPY-HMO Website
Geographic Coverage
Spatial coordinates   
  N: -71.67   S: -71.67   E: -2.83   W: -2.83
Min Altitude: 800 M Max Altitude: 800 M

Data Set Citation
Dataset Originator/Creator: Daleen Koch
Dataset Title: PPM Total Magnetic Field Studies at SANAE IV, Antarctica
Dataset Series Name: SNAOVH1
Dataset Release Date: 2008-01-08
Dataset Release Place: Hermanus Magnetic Observatory, Hermanus, South Africa
Dataset Publisher: Hermanus Magnetic Observatory
Version: 1.0
Temporal Coverage
Start Date: 2008-01-08
Data Resolution
Temporal Resolution: 5 sec
Temporal Resolution Range: 1 second - < 1 minute
MAGNETOMETERS Ancillary Description
Quality RAW
Access Constraints None
Use Constraints None
Data Set Progress
Distribution Media: On-line
Distribution Size: 303.8KB daily
Distribution Format: Plain Text / ASCII (SNAOVH1-yyyymmdd.txt)
Fees: None
Phone: +27283121196
Fax: +27283122039
Email: pjcilliers at
Contact Address:
Hermanus Magnetic Observatory
1 Hospital Street
City: Hermanus
Province or State: Western Cape
Postal Code: 7200
Country: South Africa
Extended Metadata Properties
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Creation and Review Dates
DIF Creation Date: 2009-06-03
Last DIF Revision Date: 2016-11-22
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