Jefferson Public Radio (JPR) is a regional public radio broadcasting network serving over a million potential listeners in Southern Oregon and the Shasta Cascade region of northern California. Owned by Southern Oregon University, the network is headquartered on the SOU campus in Ashland, near Medford. It is named after the proposed State of Jefferson, an area which roughly corresponds to its vast and mostly mountainous coverage area of 60,000 square miles (160,000 km²).^[1][2]

JPR's flagship station, KSOR in Ashland, signed on in April 1969 as a 10-watt station operated by students at what was then Southern Oregon College. It began moving away from its college radio roots during the 1970s, becoming a full NPR member by the end of the decade. In the early 1980s, it began building a massive system of translators covering large portions of Oregon and California, and now claims one of the largest translator network of any public radio station in the country.^[3]

At first, KSOR was not familiar with the history of Jefferson. However, by the time KSOR began to build full-power satellites later in the decade, it realized that its service area was virtually coextensive with the State of Jefferson. It rebranded itself as "Jefferson Public Radio" in 1989, feeling that name was more than appropriate for its growing network and the area it served.^[3]

The network broadcasts local programming as well as programs from National Public Radio, Public Radio Exchange, American Public Media, and the BBC World Service among other sources.

Its programming is organized into three broadcasting services. Most listeners in the JPR service area can choose between all three services, giving them a programming choice comparable to those in far larger markets.^[4]

In 2004, as a response to a perceived lack of public radio programming in other cities, Jefferson Public Radio began expanding its service outside of the traditional State of Jefferson. Stations in Eugene and Mendocino were purchased for the news and information format, and the news and information station in Eureka was purchased by JPR from an owner who had programmed it with the BBC World Service 24 hours a day. The purchase of the station in Eureka was particularly controversial as it was thought that it would compete directly with Humboldt State University's KHSU.^[9]

• List of radio stations in Oregon
• List of radio stations in California
• Oregon Public Broadcasting
• Southern Oregon Public Television
• Jefferson (Pacific state)