KLBJ-AM

KLBJ (590 kHz) is a commercial AM radio station in Austin, Texas, airing a news/talk radio format. It is owned by Sinclair Telecable Inc. and operates under the name Waterloo Media. It is Central Texas' primary entry point station for the Emergency Alert System.
The station has studios and offices along Interstate 35 in Austin. Its transmitter site is off North Farm to Market Road 973 in Travis County, near the Colorado River. By day, KLBJ operates with 5,000 watts non-directional. To protect other stations on 590 AM from interference, at night it reduces power to 1,000 watts and uses a directional antenna with a four-tower array. It also simulcasts its programming on FM translator station K259AJ at 99.7 MHz.