Guys
I have been asked to provide detailed images of a cast iron tower which stands in isolation at a coastal location.
Should I be concerned about the magnetic effect on my P3P compass and if so, how would I determine a safe distance to approach?
I have been asked to provide detailed images of a cast iron tower which stands in isolation at a coastal location.
Should I be concerned about the magnetic effect on my P3P compass and if so, how would I determine a safe distance to approach?