Like the public radio stations in the United States, IMER presents a variety of discussion and music programs.

[2] XHUAR-FM signed on July 1, 1986, as "Estéreo Norte" with the remit of offering a Mexican alternative to the Americanized media of the area.

In 1996, the station adopted the Órbita name and format then in use on IMER's XHOF-FM in Mexico City.

[3] The concession for XHUAR-FM lapsed effective April 13, 2023, due to failure to file a timely renewal.

The Federal Telecommunications Institute granted a new concession, which initially bore the template call sign XHCPDN-FM, which was changed back to XHUAR-FM along with those for five other stations whose concessions had lapsed and were reawarded.