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KLTH
KLTH (106.7 MHz "The Eagle") is a commercial FM radio station, licensed to Lake Oswego, Oregon, and serving the Portland metropolitan area. It is owned by iHeartMedia, Inc., and airs a classic hits radio format. Specialty programs on KLTH include Casey Kasem's "American Top 40: The 70s" on Saturday mornings and "American Top 40: The 80s" on Sunday mornings. Sundays also feature "Yacht Rock".
KLTH's studios and offices are located on SW 68th Parkway in Tigard, Oregon. The transmitter is located on SW Barnes Road in the Tualatin Mountains. KLTH covers much of Northwestern Oregon and Southwestern Washington.
The station signed on for the first time at 10:15 p.m. on September 15, 1972, as KQIV. It was a short-lived but popular progressive rock station. KQIV was owned and operated by Willamette Broadcasting Company, Inc., with Walter J. M. Kraus serving as president. The station also called itself "KQ4" and "FM 107".
The original KQIV offices and studios were located at the Lake Oswego Elks Lodge (#2263). Members of this historically conservative organization frequently crossed paths with the station's hippie disc jockeys and creative staff.
The KQIV transmitter was located between Oregon City and Carver. An American Electronic Laboratories (AEL) FM-25KD transmitter fed 24,000 watts into a Jampro JSCP eight element antenna yielding an effective radiated power (ERP) of 100,000 watts. The antenna was mounted on a 200-foot tower based at an elevation of 800 feet in height above average terrain (HAAT).
Both the "Q" and "IV" in the station's call sign alluded to four-channel quadraphonic sound. KQIV was reported in the local press to be the second quadraphonic radio station in the world. and the first to be designed and built to be quadraphonic, But those reports were based on erroneous information. KQIV established its quadraphonic identity and "Rockin' in Quad" branding in anticipation of being selected as the exclusive FM station in the Portland radio market to field test the Dorren Quadraplex System, invented by audio engineer Louis Dorren. About a month before KQIV went on the air, the FCC suspended further testing of Quadraplex due to a concern that the system used a subcarrier component not permitted under its regulations.
KQIV continued to identify itself as a quadraphonic station in the hope that Quadraplex testing eventually would be permitted. Meanwhile, the station broadcast music from phonograph records encoded in various quadraphonic matrix formats.
In 1974, operation of KQIV was turned over to Brotherhood Broadcasting Company, with Roy Jay as president. Brotherhood changed the station's music format to urban contemporary, branded as "Soul 107". In 1975, the KQIV offices and studios were moved to Milwaukie. But the station's ratings failed to improve. Ongoing financial difficulties led to the court-ordered liquidation of KQIV, which went off the air on June 18, 1976.
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KLTH
KLTH (106.7 MHz "The Eagle") is a commercial FM radio station, licensed to Lake Oswego, Oregon, and serving the Portland metropolitan area. It is owned by iHeartMedia, Inc., and airs a classic hits radio format. Specialty programs on KLTH include Casey Kasem's "American Top 40: The 70s" on Saturday mornings and "American Top 40: The 80s" on Sunday mornings. Sundays also feature "Yacht Rock".
KLTH's studios and offices are located on SW 68th Parkway in Tigard, Oregon. The transmitter is located on SW Barnes Road in the Tualatin Mountains. KLTH covers much of Northwestern Oregon and Southwestern Washington.
The station signed on for the first time at 10:15 p.m. on September 15, 1972, as KQIV. It was a short-lived but popular progressive rock station. KQIV was owned and operated by Willamette Broadcasting Company, Inc., with Walter J. M. Kraus serving as president. The station also called itself "KQ4" and "FM 107".
The original KQIV offices and studios were located at the Lake Oswego Elks Lodge (#2263). Members of this historically conservative organization frequently crossed paths with the station's hippie disc jockeys and creative staff.
The KQIV transmitter was located between Oregon City and Carver. An American Electronic Laboratories (AEL) FM-25KD transmitter fed 24,000 watts into a Jampro JSCP eight element antenna yielding an effective radiated power (ERP) of 100,000 watts. The antenna was mounted on a 200-foot tower based at an elevation of 800 feet in height above average terrain (HAAT).
Both the "Q" and "IV" in the station's call sign alluded to four-channel quadraphonic sound. KQIV was reported in the local press to be the second quadraphonic radio station in the world. and the first to be designed and built to be quadraphonic, But those reports were based on erroneous information. KQIV established its quadraphonic identity and "Rockin' in Quad" branding in anticipation of being selected as the exclusive FM station in the Portland radio market to field test the Dorren Quadraplex System, invented by audio engineer Louis Dorren. About a month before KQIV went on the air, the FCC suspended further testing of Quadraplex due to a concern that the system used a subcarrier component not permitted under its regulations.
KQIV continued to identify itself as a quadraphonic station in the hope that Quadraplex testing eventually would be permitted. Meanwhile, the station broadcast music from phonograph records encoded in various quadraphonic matrix formats.
In 1974, operation of KQIV was turned over to Brotherhood Broadcasting Company, with Roy Jay as president. Brotherhood changed the station's music format to urban contemporary, branded as "Soul 107". In 1975, the KQIV offices and studios were moved to Milwaukie. But the station's ratings failed to improve. Ongoing financial difficulties led to the court-ordered liquidation of KQIV, which went off the air on June 18, 1976.