The chief information officer shall supervise and control all state telecommunication facilities and services, including any transmission, emission, or reception of signs, signals, writing, images, and sounds or intelligence of any nature by wire, radio, optical, or other electromagnetic systems. Nothing in this section or section 16E.18 modifies, amends, or abridges any powers and duties presently vested in or imposed upon the commissioner of transportation or the commissioner of public safety relating to telecommunications facilities or the commissioner of transportation relating only to radio air navigation facilities or other air navigation facilities.