The company 's first contract was to assist in the construction of the Vienna II radio station .
Frequentis was founded in 1947 in post-WWII Vienna by Emanuel Strunz and Walther Hamm .
The company 's first contract was to assist in the construction of the Vienna   radio station .
Frequentis was founded in 1947 in post-WWII Vienna by Emanuel Strunz and Walther Hamm .