KBVM (88.3 FM, The Positive Difference) is a radio station broadcasting a christian radio format. Licensed to Portland, Oregon, USA, the station serves the Portland OR area. The station is currently owned by Catholic Broadcasting Northwest. The call letters are a reference to Mary, mother of Jesus's title the Blessed Virgin Mary, under whose patronage the station was placed at its dedication. On-air programming is simulcast in Eugene/Springfield on KMME, 100.5 FM and via an online stream.