We have seen the definition of electromagnetic waves in previous papers. Parts of the spectrum of these waves used in new surveying and geodetic equipment include: 1) Infrared radiation 2) Visible light 3) Microwave All of these three are used in new tools to measure lengths and distances.
Shamsi,H. (1991). Application of Electromagnetic Waves and Electronics in Surveying and Geodesy - Part III. Scientific- Research Quarterly of Geographical Data (SEPEHR), 1(3), 36-39.
MLA
Shamsi,H. . "Application of Electromagnetic Waves and Electronics in Surveying and Geodesy - Part III", Scientific- Research Quarterly of Geographical Data (SEPEHR), 1, 3, 1991, 36-39.
HARVARD
Shamsi H. (1991). 'Application of Electromagnetic Waves and Electronics in Surveying and Geodesy - Part III', Scientific- Research Quarterly of Geographical Data (SEPEHR), 1(3), pp. 36-39.
CHICAGO
H. Shamsi, "Application of Electromagnetic Waves and Electronics in Surveying and Geodesy - Part III," Scientific- Research Quarterly of Geographical Data (SEPEHR), 1 3 (1991): 36-39,
VANCOUVER
Shamsi H. Application of Electromagnetic Waves and Electronics in Surveying and Geodesy - Part III. SEPEHR, 1991; 1(3): 36-39.