permanently or temporarily. In accordance with ITU Radio Regulations (article 1) this type of radio station might be classified as follows: Radiodetermination station (article 1.86) of the radiodetermination service (article 1.40 ) Radionavigation mobile station (article 1.87) of the radionavigation service (article 1.42) Radionavigation land station (article 1.88) of the radionavigation service Radiolocation mobile station Selection radiolocation mobile stations See also Radio direction finding Real time locating Lightning detection References Further reading "Signal Processing Techniques in Network-Aided Positioning", G. Sun, J. Chen, W. Guo and K. Liu, IEEE Signal Processing Magazine v. 22 #4, p. 12, July 2005 "Locating the nodes: cooperative localization in wireless sensor networks", N. Patwari et al., IEEE Signal Processing Magazine v. 22 #4, p. 54, July 2005 “The Indoor Radio Propagation Channel”, H. Hashemi, Proceedings of the IEEE, v. 81, #7, p. 943 (1993) “Outdoor/Indoor Propagation Modeling for Wireless Communications Systems”, M. Iskander, Z. Yun, and Z. Zhang, IEEE Antennas and Propagation Society, AP-S International Symposium (Digest) v 2 2001. p 150-153 Microwave technology Radar