Guest Editorial Special Section on the Conference on Precision Electromagnetic Measurements (CPEM) 2016

The Conference on Precision Electromagnetic Measurements (CPEM) 2016 was organized by National Research Council (NRC) Canada and held in Ottawa from July 10 to 15, 2016 (see
http://cpem2016.com/
). Experts working in the field of precision metrology and its applications to real-world situations gathered to present and discuss recent advances and open issues/questions.