... 48109Ph.: (31 3) 76 3- 1 560 Fax: (619) 55 3- 6 188 Ph.: (31 3) 93 6-9 36 2Fax: (31 3) 94 4-1 1 13 Email: Everett@NOSC.MIL Fax: (31 3) 76 3- 1 260Email: johannb@umich.edu Email: Feng@engin.umich.edu2) 3) Please ... iron and nickel) and mumetal (iron, nickel, Where am I? Sensors and Methods for Mobile Robot Positioning byJ. Borenstein , H. R. Everett , and L. Feng1 23 Contributing authors: S. W. Lee and ... analogoutput, while model 3ARG-D ($1,100) hasan RS- 232 output for connection to a com-puter. Technical specifications for the3ARG-D are given in Table 2.1. Specifica-tions for the 3ARG-A are similar....