I have read of sun compasses being used by arctic explorers. Near the magnetic pole the horizontal component of the magnetic flux is weak and magnetic compasses are not reliable. For half the year a sun compass would be useful.
Roger Bailey Walking Shadow Designs N51 W 115 At 11:04 PM 3/22/99 +0100, francois.pineau2 wrote: > Hello, I thank all persons who help me in my search about >Suncompass. I will put all informations I received on a web site . I will >give you the adress of this one. But I still have any questions. Is >somebody Knows if other army than US have used this device or similar >device? Is this device was used only in north Africa? What is the main >cause to use the suncompass: Presence of magnetic rocks in Sahara or >because of armured vehiculs are metallic made? Thanks François >PINEAU