Working Group V-MOD: Geomagnetic Field Modelling
    IUGG > IAGA > Division V > Working Group V-MOD > Repeat Stations > Regional Repeat Survey

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
Webpage Maintained by: Susan McLean
Hosted by: WDC for Solid Earth and Geophysics

URL: http://www.ngdc.noaa.gov/IAGA/vmod/repeat_survey.html
Revised: 17 September, 2003



IUGG  > IAGA  > Division V  > Working Group V-MOD  > Repeat Stations  > Repeat Survey