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1985年1月31日至2月2日,地矿部物化探局和广东省地矿局共同在广东英德召开了DTJ-1型通用激发极化发送机鉴定会。该仪器通过了技术鉴定。
January 31, 1985 to February 2, the Bureau of Geophysical and Geochemical Exploration Bureau of the Ministry of Geology and Mineral Resources and Guangdong Provincial Bureau of Geology and Mineral Resources jointly held a DTJ-1 General Excitation Polarization Transmitter Identification Society in Yingde, Guangdong. The instrument passed the technical appraisal.