NBC Sports Radio is also carried on KTCT .
KNBR and KTCT are charter affiliates of CBS Sports Radio , a joint venture between CBS Radio and Cumulus , which started on January 2 , 2013 .
NBC Sports Radio is also carried on KTCT .
KNBR and KTCT are charter affiliates of CBS Sports Radio , a joint venture between CBS Radio and Cumulus , which started on January 2 , 2013 .