Study Finds High Radiofrequency Radiation on Streets of Downtown Columbia, South Carolina from Cell Antennas, including 4G and 5G. Q1 2022 hedge fund letters, conferences and more On the whole, 3,943 single measurements were conducted all over the downtown area over five days in 2021 with the aim of measuring public exposure from the city’s RF infrastructure. When the study’s authors compared their findings to a 2019 published review on the mean outdoor exposure level of European cities (0.07 to 1.27 V/m) to the mean of Columbia, South Carolina (1,240 V/m), it placed Columbia on top of the Eur…