1、 Union internationale des tlcommunications Place des Nations 1211 GENEVE 20 Suisse Switzerland Suiza 瑞士 alefisolatedrehfinalseenmedialyehinitialwawfinalseeninitial COVERING NOTE GENERAL SECRETARIAT OF THE INTERNATIONAL TELECOMMUNICATION UNION Geneva, 5 May 2011 ITU TELECOMMUNICATION STANDARDIZATION
2、SECTOR Subject: Amendment 2 (2011-05-05) to Recommendation ITU-T K.70 (2007), Mitigation techniques to limit human exposure to EMFs in the vicinity of radiocommunication stations Amendment 2 to Recommendation ITU-T K.70 (2007) was agreed on 05 May 2011 by ITU-T Study Group 5 (2009-2012). This amendm
3、ent consists of a new version (v.2.0.0) of the software EMF estimator, which constitutes the Appendix I of Recommendation ITU-T K.70 (2007). The main improvements introduced in v.2.0.0 are the following: EMF calculations are possible on the horizontal grid (previously the calculations were only poss
4、ible on the horizontal line) National limits for the general public and occupational exposure have been introduced (previously only the ICNIRP limits were included) The line and grid calculation is now a new option of the main menu The descriptions of the antenna orientation and of the linear and planar calculations are improved The results of calculations may be now exported to a *.csv file and the charts may be copied to other applications The colors of the lines in the charts may be changed by the user.