MAG COMPASS

#36. What is the name for a line of equal magnetic variation?

• AAn isocline
• BAn isogonal
• CAn isogriv
• DAn isovar.

#42. Isogrivs on a chart indicate lines of ?

• AZero magnetic variation.
• BEqual magnetic dip
• CEqual horizontal directive force
• DEqual grivation

#91. What is the dip angle at the South Magnetic Pole?

• A0°
• B64°
• C90°
• D180°