[2] In addition to a standard analog transmission, KOY is available online via iHeartRadio and is relayed over low-power Phoenix translator K229DB (93.7 FM), from which the station's branding is derived from.

[9] After being sold to Shamrock Broadcasting in 1962, the station increased daytime power to 1,000 watts in 1963,[6] an improvement that helped it wage a defining battle in Phoenix radio: the Top 40 format war between KRIZ and KRUX (1360 AM), which lasted through the decade until listening habits began to shift to FM in the 1970s with the launch of KDKB.

[11] In 1977, Doubleday decided to sell KRIZ, having been unable to find an FM station to purchase to create an AM-FM pair in the Phoenix market and being unsatisfied with its 250-watt nighttime signal.

Affiliated Broadcasting, owner of KONC (101.5 FM), had contracted to buy the 1360 frequency (then big-band station KLFF) but saw that deal fall through.

Affiliated announced its plans to flip KONC to soft adult contemporary as KAMJ and initially hoped to use its new property to continue the classical service.

[25] EZ took over at the end of 1986 and returned the 1230 frequency to separate programming in February 1987 as adult standards outlet KMYL with the Music of Your Life syndicated format.

[26] However, after financial issues in other markets, EZ Communications corporate opted to cut costs and revert to the KAMJ simulcast after just four months on the air, with three announcers who had moved to the new big band station returning to KLFF.

[27] The general manager for the Phoenix EZ stations had fought the change unsuccessfully; the fired staff did not receive an on-air thanks or severance pay, leading The Arizona Republic media columnist Bud Wilkinson to call the cut "the cruelest, most bottom-line-motivated move" of 1987.

[30] After two years with sports and other talk, however, a lack of ratings led the station to jettison the format and flip to urban adult contemporary as KISP "Kiss" in August 1991.

[38] In the process, the 1230 frequency inherited the legacy of the second-oldest surviving radio station in Arizona, which signed on 550 as KFCB before taking the KOY calls in 1929.