KDZR

KDZR
Lake Oswego, Oregon;
Broadcast area	Portland metropolitan area
Frequency	1640 kHz
Branding	La Patrona 1640
Programming
Format	Regional Mexican
Ownership
Owner	Salem Media Group; (Salem Media of Oregon, Inc.);
Sister stations	KFIS; KPDQ; KPDQ-FM; KRYP; KPAM;
History
First air date	October 20, 1997; 27 years ago
Former call signs	KKJY (1997–1999); KPBC (1999–2003);
Call sign meaning	Kids Disney Radio (previous affiliation)
Technical information
Licensing authority	FCC
Facility ID	86618
Class	B
Power	10,000 watts (day); 1,000 watts (night);
Transmitter coordinates	45°27′14″N 122°32′47″W / 45.45389°N 122.54639°W
Links
Public license information	Public file; LMS;
Webcast	Listen Live
Website	lapatrona1640.com

KDZR (1640 AM) is a commercial radio station, licensed to Lake Oswego, Oregon, and serving the Portland metropolitan area. The station airs a regional Mexican radio format and is owned by the Salem Media Group.^[2] KDZR's studios and offices are on SE Lake Road in Portland.

The transmitter is off SE Eastview Drive in Happy Valley, Oregon.^[3] KDZR is powered at 10,000 watts by day, but at night reduces power to 1,000 watts, to reduce interference to other stations on AM 1640. The station uses a non-directional antenna at all times.