 Radial ground system wires were placed both in the Deschutes River and ground adjoining with a feed line connecting the hotel building contained RCA transmitter to the antenna system.In early 1941 signal audibility in areas outlying Bend improved with the installation of a limiting amplifier
Frequency changed to 1340 kHz March 29, 1941 as obligated by FCC moving day requirements.KBND made two further frequency changes.