1. Satellite Positioning and Inertial Navigation (SPIN) Laboratory, Dept. of Civil and Environmental Engineering and Geodetic Science, The Ohio State Univ., Columbus, OH 43210.
2. Satellite Positioning and Inertial Navigation (SPIN) Laboratory, Dept. of Civil and Environmental Engineering and Geodetic Science, The Ohio State Univ., Columbus, OH 43210; and, Geodesy and Photogrammetry Engineering Dept., Yildiz Technical Univ., Turkey.
3. Univ. of Warmia and Mazury, Olsztyn, Poland.