^Isogonic lines
^Isogonic lines Lines joining the places of equal declination (θ).
Entries by kp-web-admin
^Magnetic maps
^Magnetic maps The three magnetic elements are calculated at different places all over the globe & the results obtained are […]
^Dip & latitude
Dip & latitude Assuming that terrestrial magnetism is due to a short magnet at the centre of the earth, then […]
^Apparent dip
^Apparent dip Let respectively be the vertical component, horizontal component & dip angle in a vertical plane inclined at some […]
^Dip circle
^Dip circle Dip circle also called dip needle is a compass pivoted to move about a horizontal axis in a […]
^Compass & dip circle
^Compass & dip circle A compass needle consists of a magnetic needle is free to swing (oscillate or deflect) in […]
^Dip (δ) & Horizontal component
^Dip (δ) & Horizontal component The vertical component of the Earth’s magnetic field points downwards in the northern hemisphere. If […]
^Declination (θ)
Declination (θ) Since the line joining the magnetic poles is titled with respect to the geographic axis of the earth, […]
^Magnetic meridian
^Magnetic meridian Magnetic meridian at a place is a vertical plane passing through the imaginary line joining the earth’s magnetic […]
^Geographic meridian
^Geographic meridian Geographic meridian at a point P on earth’s surface is a vertical plane passing through the longitude circle […]
