COMPASS ERROR BY AZIMUTH METHOD

Find compass error online using azimuth method.

INSTRUCTION

All the yellow boxes are to be filled by user, Green boxes will get filled automatically.

How to find compass error ?

Required Information:

• GMT
• Longitude and Latitude
• Gyro heading and Compass heading
• Gyro bearing of SUN (As most probably the azimuth circle will give you Gyro bearing and not Magnetic bearing).