Characterization of the Ionosphere over the South Atlantic Ocean by Means of Ionospheric Tomography using Dual Frequency GPS Signals Received On Board a Research Ship

This paper reports a novel approach to extend the coverage of terrestrial ionospheric measurements over a poorly characterized region of the South Atlantic Ocean, including the South Atlantic Anomaly, by using dual frequency GPS signals received on board the South African polar research ship SA Agul...

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Bibliographic Details
Main Authors: Cilliers, Pierre J., Mitchell, Cathryn N., Opperman, Ben D.
Other Authors: HERMANUS MAGNETIC OBSERVATORY (SOUTH AFRICA)
Format: Text
Language:English
Published: 2006
Subjects:
Atmospheric Physics
Test Facilities
Equipment and Methods
*IONOSPHERE
*SOUTHERN HEMISPHERE
*COMPUTERIZED TOMOGRAPHY
GEOMAGNETISM
MAGNETOSPHERE
RESEARCH SHIPS
SOUTH AFRICA
IONOSPHERIC MODELS
SYMPOSIA
NATO FURNISHED
FOREIGN REPORTS
SAA(SOUTH ATLANTIC ANOMALY)
SPACE WEATHER
Antarctic
Fairbanks
Gough
SANAE
SANAE IV
Base SANAE IV
Antarc*
South Atlantic Ocean
Alaska
Online Access:http://www.dtic.mil/docs/citations/ADA477027
http://oai.dtic.mil/oai/oai?&verb=getRecord&metadataPrefix=html&identifier=ADA477027
Description
Summary:This paper reports a novel approach to extend the coverage of terrestrial ionospheric measurements over a poorly characterized region of the South Atlantic Ocean, including the South Atlantic Anomaly, by using dual frequency GPS signals received on board the South African polar research ship SA Agulhas. The routes of the SA Agulhas to the South Atlantic Islands, Gough (40 deg 17 sec S, 9 deg 58 sec W, Mag lat 42 deg S) and Marion (46 deg 52 sec S, 37 deg 5 sec E, Mag lat 51 deg S) and the South African Antarctic base SANAE IV (71 deg 40 sec S, 2 deg 51 sec W, Mag lat 61 deg S) present unique locations for investigating the variability of the upper atmosphere in the high latitudes in the vicinity of the South Atlantic Anomaly and its link with the near-Earth space environment. Prepared in cooperation with the Dept of Electronic and Electrical Engineering, University of Bath, Bath, United Kingdom and the Dept of Physics and Electronics, Rhodes University, Grahamstown, South Africa. Presented at the Specialists' Meeting organised by the Information Systems Technology (IST) Panel, in conjunction with U.R.S.I., at the Geophysical Institute, University of Alaska Fairbanks, United States, 12-16 June 2006. Published in Characterising the Ionosphere, Meeting Proceedings RTO-MP-IST-056, Paper 28; ISBN 92-837-0078-3 and ISBN 978-92-837-0078-4. See also ADM002065. The original document contains color images.

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