India’s First Indigenous Overhauser Magnetometer

Published on October 29, 2022
Current Context: The Indian Institute of Geomagnetism (IIG) scientists developed an indigenous Overhauser (OVH) Magnetometer.
India’s First Indigenous Overhauser Magnetometer
  • It is the first indigenously developed OVH Magnetometer of India that is developed by the scientists at the IIG, an autonomous research institution under the Department of Science & Technology (DST), GOI.
  • According to the Ministry of Science & Technology, the indigenous OVH Magnetometer will reduce the cost of sampling.
  • The OVH Magnetometers are extensively used in magnetic observatories (MO) and are known for their higher:
  1. accuracy
  2. sensitivity
  3. energy consumption
  • The OVH Magnetometer was installed at Alibag Magnetic Observatory and will be used for performing geomagnetic field measurements.
  • The sensors at Alibag MO accurately reproduced the geomagnetic diurnal variations and precisely showed the signatures of space weather events such as geomagnetic storms.


Q.1 India’s first indigenous Overhauser (OVH) Magnetometer was developed by?
a. Indian Institute of Technology- Delhi
b. IISc Bengaluru
c. Tata Institute of Fundamental Research
d. Indian Institute of Geomagnetism

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