Resolution No.28 (1963): Filling the gaps in a preliminary network of stations

The IUGG, considering the importance of better understanding of the distribution in time of the onset of magnetic storms at the Earth's surface, and noting that the IAGA has chosen a preliminary network of stations having equipment with necessary precision and time control covering as far as possible all the regions of the ARh (8 in polar regions, 7 in middle latitudes and 4 in equatorial regions) and noting further the need to fill the gaps still existing in this preliminary network of stations with the necessary equipment:

  1. invites the collaboration of Reykjavik Observatory,
  2. recommends the installation of a permanent station in the region of Great Whale, Canada, and
  3. would appreciate the installation of quick-run equipment at Trelew, Zaria and Addis Ababa.
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