Filing an NCE translator when the window opens Nov. 4? Nexus Broadcast takes clients through Fri., Oct. 23, paid and cleared. Spots are limited and go in order of payment.

Talk to Nexus →

Full-power TV

WSBK-TV Channel 21

Boston, MA · Cbs Television Licenses LLC

StatusLicensedSince 2024-11-20
ServiceFull-power TV
Community of licenseBoston, MA
LicenseeCbs Television Licenses LLCAs named on the filing below
Facility ID73982 FCC record
Call sign since1983-11-15

Licensed facilities

FrequencyRF channel 21
ERP163.000 kW
HAAT388.3 m
Radiation center431.9 m AMSL, 385.3 m above ground
Coordinates (NAD83)42° 18′ 37.00″ N 71° 14′ 12.00″ W42.310278, -71.236667
AntennaRFS PEP70E-O5-2-TNondirectional
File number0000117438 LMSFiled 2020-07-09

Follow WSBK-TV

Get an email the morning after the FCC acts on any of its applications, free.

Alert me about WSBK-TVAll its FCC actions

Tools for this site

Site profileFAA notice check

From the FCC's LMS public database as of 2026-10-17, updated every morning. Not a product of the FCC.