I did get these results from the FCC:
Search Parameters Callsign: WBPX
Call Channel | Service Status City State Country File Number Docket FacilityID ERP HAAT Licensee/Permittee
WBPX 32 + TV APP BOSTON MA US BPCT-20020213AAH - 7692 700. kW 292. m PAXSON BOSTON-68 LICENSE, INC.
WBPX 32 DT LIC BOSTON MA US BLCDT-20040723ACG - 7692 300. kW 292. m PAXSON BOSTON-68 LICENSE, INC.
WBPX 68 + TV LIC BOSTON MA US BLCT-19910926KH - 7692 1350. kW 249. m PAXSON BOSTON-68 LICENSE, INC.
*** 3 Records Retrieved ***