Here's the KXZK answer. The station is still alive. The previous upgrade permit was cancelled and replaced with a new, improved one for this Class C3. The proposed tower is about 0.3 miles off Sahuarita Road.
Coordinates (NAD83) Latitude 31° 57' 31.0" N+
Longitude 110° 42' 50.0" W-
Structure Type LTOWER-Lattice Tower
Overall Structure Height 18.3 meters
Support Structure Height 18.3 meters
Ground Elevation (AMSL) 1143 meters
Height of Radiation Center Above Ground Level (H/V) : 14.5 M
HAAT : 21 M
RCAMSL : 1157.5 M
ERP : 8.2 kW (H/V)
The proposed 60 dBu contour would reach downtown Tucson.
Engineering:
https://enterpriseefiling.fcc.gov/dataentry/api/download/attachment/25076ff394e07de4019525686cde3586
Waiver Request :
https://enterpriseefiling.fcc.gov/dataentry/api/download/attachment/25076ff394e07de4019525617400355b