Complex sentence: Phoenix is their targeting area, although KNRJ's 101.1 signal does reach the northern portions of Maricopa County, their 92.7 translator can be heard in the central and southern parts of Phoenix.
Split into simpler sentences: Phoenix is their targeting area, because KNRJ's 101.1 signal does reach the northern portions of Maricopa County. Its 92.7 translator can be heard in the central and southern parts of Phoenix.