MIT ICAT Heading Magnetic Compass u Variation(Magnetic Deviation Q Deviation(Magnetic materials) ◆DC9 Example Q Compass Card(Calibrated with Radios and Equip on) Flux Gate Compass O Electronic Magnetic Compass Normally in Tail for deviation Gyro compass 口 Precession a Slaved Flux Gate · Turn Coordinator 日( Rate Gyro)MIT ICAT Heading y Magnetic Compass † Variation (Magnetic Deviation † Deviation (Magnetic materials) ‹ DC9 Example † Compass Card (Calibrated with Radios and Equip on) y Flux Gate Compass † Electronic Magnetic Compass ‹ Normally in Tail for deviation y Gyro Compass † Precession † Slaved Flux Gate y Turn Coordinator † (Rate Gyro)