... 55 3-3 67 2 Ann Arbor, MI 48109Ph.: (313) 76 3-1 560 Fax: (61 9) 55 3 -6 188 Ph.: (313) 93 6- 9 362 Fax: (313) 94 4-1 113 Email: Everett@NOSC.MIL Fax: (313) 76 3-1 260 Email: johannb@umich.edu Email: Feng@engin.umich.edu2) ... iron and nickel) and mumetal (iron, nickel, Where am I? Sensors and Methods for Mobile Robot Positioning byJ. Borenstein , H. R. Everett , and L. Feng123Contributing authors: S. W. Lee and ... code Part I Sensors for Mobile Robot Positioning axisnconclWaveguideNA ' sin2c' n2co&n2cl21Numerical apertureWaveguideaxis40 Part I Sensors for Mobile Robot Positioning Figure...