Session 3
Why does the iPhone's compass show true north, yet when a stronger magnetic field is placed near it, it doesn't affect it in any way at all? - Quora
Magnetic Declination (Variation) | NCEI
Magnetic Declination | Magnetic Inclination - Magnetic Dip
![YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper](http://t1.skyvector.net/e1097d3824e/301/2205/3/162/351.jpg "YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper")
YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper
Vancouver Qibla Direction - Online Qibla Finder
![YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper](http://www.gcmap.com/diagrams/CYVR.gif "YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper")
YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper
MAGNETIC TO TRUE NORTH
Magnetic Declination in Abaca, Philippines
MAGNETIC TO TRUE NORTH
3_2 The Compass
Magnetic North vs Geographic North | Geographic north, History, Map
Relative permeability (H) as a function of magnetic field strength for... | Download Scientific Diagram
OA Guide to Map & Compass - Part 2
North Vancouver Qibla Direction | Qibla Finder
![YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper](http://t0.skyvector.net/e1097d3824e/301/2205/3/161/351.jpg "YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper")
YVR - Vancouver [Intl], BC, CA - Airport - Great Circle Mapper
Compass Bearings
6.5 Declination | NWCG
How to Adjust Compass Declination | REI Co-op
6.5 Declination | NWCG
Magnetic Declination in El Calafate, Argentina
Magnetic Declination in Cold Lake, Canada
Magnetic Declination (Variation) | NCEI
