The research about relations between sunspot number and Dst index which is the index of geomagnetic disturbance at low latitude had been studied. This research has purposes to know the relation of sunspot number yearly with geomagnetic storm events varied by (1) -50 ≤ Dst Index ≤ -30 (2) -100 s Dst Index < -50 (3) -200 ≤ Dst Index ≤ -100 (4) Dst Index ≤ -200 nT. Data of sunspot number…
RINGKASAN Keberadaan kalibrator magnetometer di laboratorium Pusat Sains Antariksa merupakan sarana untuk menguji ketelitian magnetometer. Pusat Sains Antariksa telah membangun sebuah sistem observasi geomagnet landas bumi menggunakan sensor tipe 1540. Kalibrasi dilakukan terhadap sensor tersebut sebelum ditempatkan di stasiun pengamat geomagnet.