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Summary Results of Regional Magnetic Survey Questionnaire
Countries contacted (no. organisations if > 1) |
Response |
Observatories |
Current status of absolute observation network |
ALBANIA |
Yes |
0 | 10 repeat stations occupied 1994-1996 with assistance from Italy |
ALGERIA |
|
1 |
|
ANGOLA |
|
0 |
|
ARGENTINA |
|
3 |
|
AUSTRALIA |
Yes |
8 | 15 repeat stations occupied every 1-2 years |
AUSTRIA |
|
1 |
|
BELGIUM |
|
2 |
|
BOLIVIA |
|
1 |
|
BOTSWANA |
Yes |
0 | 5 repeat stations occupied in 1998-2000 with assistance from South Africa |
BRAZIL |
|
2 |
|
BULGARIA |
|
1 |
|
CANADA |
Yes |
12 | 5 primary repeat stations occupied every 2 years, 7 secondary stations occupied every 3-4 years and 2 tertiary stations whenever possible |
CHINA (2) |
|
18 |
|
COLOMBIA |
Yes |
1 | ~ 80 stations at least every 5 years |
COSTA RICA |
|
1 |
|
CROATIA |
Yes |
0 | no network but plans to establish 1-2 stations |
CUBA |
Yes |
1 | ~35 stations occupied whenever possible |
CZECH REPUBLIC |
Yes |
1 | 6 repeat stations occupied every 2 years |
DENMARK |
Yes |
4 | no network |
DOMINION REPUBLIC OF CONGO |
|
0 |
|
EGYPT |
|
1 |
|
ESTONIA |
Yes |
0 | no network |
ETHIOPIA |
Yes |
1 | no network |
FINLAND (2) |
Yes |
2 | 4 pulsation stations, at least one absolute |
FRANCE |
Yes |
1 | 33 repeat stations occupied every 5 years |
FRANCE – OVERSEAS |
Yes |
7 | 4 stations occupied in Antarctic and sub-Antarctic islands whenever possible |
GEORGIA |
Yes |
1 | 13-station network lapsed |
GERMANY (2) |
Yes |
3 | ~40 repeat stations occupied every 4 years |
GREECE |
Yes |
1 | 100 stations occupied by the military – data published as D chart only |
HUNGARY (2) |
Yes |
2 | 195 stations occupied in 1994-5. Plans to occupy 20 primary stations every 5 years and remaining secondary stations every 15 years. |
ICELAND |
Yes |
1 | 3 repeat stations occupied every 1-4 years |
INDIA (3) |
Yes |
10 | no network |
INDONESIA |
Yes |
2 | 53 stations occupied 1994-6, plans to resurvey every 5 years, Australia assisting |
IRAN |
Yes |
0 | no vector observations, intermittent F observations at Tehran observatory |
IRAQ |
|
0 |
|
IRELAND |
Yes |
1 | 9 stations occupied in 1995 |
ISRAEL |
Yes |
1 | 3 repeat stations occupied every 3-5 years |
ITALY |
Yes |
3 | 8 repeat stations occupied in 1998, ~2500 vector observations 1977-82 |
JAPAN (4) |
Yes |
8 | 12 repeat stations occupied every 5 years (Maritime Safety Agency) and ~100 repeat stations occupied at a rate of ~3/year (Geographical Survey Institute) |
KAZAKHSTAN |
Yes |
1 | no network |
KENYA |
Yes |
0 | no network |
KOREA |
Yes |
0 | F observations at 4 sites |
LUXEMBURG |
|
0 |
|
MADAGASCAR |
|
1 |
|
MALAWI |
Yes |
0 | no network |
MALAYSIA |
Yes |
0 | no network |
MEXICO |
|
1 |
|
MONGOLIA |
|
0 |
|
MOROCCO |
|
0 |
|
MOZAMBIQUE |
Yes |
1 | network lapsed |
NEW ZEALAND |
Yes |
3 | 30 repeat stations occupied every 3 years |
NIGERIA |
Yes |
0 | no network |
NORWAY (2) |
|
4 |
|
PAKISTAN (2) |
Yes |
2 | no network |
PAPUA NEW GUINEA |
|
0 |
|
PERU |
Yes |
2 | 7 stations occupied 1992-3 as part of International Equatorial Electrojet Year |
PHILIPPINES |
|
0 |
|
POLAND |
|
3 |
|
PORTUGAL |
Yes |
1 | no network |
ROMANIA |
Yes |
1 | 28 repeat stations occupied every 5 years |
RUSSIA (3) |
Yes |
14 | network lapsed |
SLOVAK REPUBLIC |
Yes |
1 | 12 repeat stations occupied every 2 years |
SLOVENIA |
|
0 |
|
SOUTH AFRICA |
Yes |
3 | 63 repeat stations occupied every 5 years |
SPAIN (3) |
Yes |
5 | 40 repeat stations occupied every 3 years |
SUDAN |
|
0 |
|
SWEDEN (2) |
|
4 |
|
SWITZERLAND |
|
0 |
|
TAIWAN, REPUBLIC OF CHINA |
|
1 |
|
TANZANIA |
|
0 |
|
THAILAND |
Yes |
0 | ~15 repeat stations occupied in 1996 |
TUNISIA |
|
0 |
|
TURKEY (2) |
|
1 | 85 repeat stations occupied every 5 years, data confidential |
U.K. |
Yes |
6 | 51 repeat stations occupied every 3-5 years |
U.S.A. |
Yes |
13 | 24 repeat stations occupied every 3-5 years |
UKRAINE |
Yes |
4 | network lapsed |
VENEZUALA |
|
0 |
|
VIETNAM |
Yes |
1 | 56 repeat stations occupied every 6 years |
YUGOSLAVIA |
Yes |
1 | 5 repeat stations occupied every 3 years |
ZAMBIA |
Yes |
0 | no network |
ZIMBABWE |
|
0 |
|
For page content questions please contact: Susan Macmillan
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URL: http://www.ngdc.noaa.gov/IAGA/vmod/repeat_survey.html
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