TY - BOOK AU - Rao, G. Sankara TI - Comparative study of diurnalvariation in geomagnetic field at, matri and visakhapatanam stations PY - 2008/// CY - Navi Mumbai PB - IIG KW - Data AnanlysisFluxgate MagnetometerGeomagnetic FieldInstrumentationIonosphereMagnetopauseMagnetosphereMean Diurnal Variation N1 - Project Report: In partial fulfillment for the award of master of science in space physics, Department of physics, Andra University, July 2008 Under the guidence of Prof. B. M. Pathan ER -