The principal of a high school in Salzburg wanted to use a jammer to prevent cheating with a mobile phone during written Mathura, and the Ministry of Communications' Telecommunications Office confiscated the transmitter and filed a lawsuit against the principal. He bought the device completely legally from a school supplies supplier in Sankt Pölten. The procedure ended with a warning. Gerhard Klampfer, dean of the Salzburg School of Economics, confirmed the radio report of the Salzburg ORF…