During the 1980s and 1990s, WNJX-TV's signal was only able to cover metro Mayagüez, but because of its new role as WAPA-TV's satellite, LIN TV built a new transmitter in Monte del Estado and augmented its ERP to 4201 kW.
During the 1980s and 1990s, WNJX-TV's 120 kW signal was only able to cover metro Mayagüez, nevertheless it became a satellite for WLII. When LIN TV purchased the station, the company built a new transmitter on Monte del Estado and augmented its ERP to 4201 kW.