CHSJ-FM is a Canadian radio station broadcasting at 94.1 FM in Saint John, New Brunswick.

The current call letters were adopted in 1934 when four Saint John newspaper publishing shareholders — Howard P. Robinson, J.D.

The current CFBO call letters have been assigned to the frequency of 90.7 MHz, branded as BO-FM as an adult contemporary francophone format radio station, broadcasting in Moncton since 2004.

In 1944, Kenneth C. Irving purchased Saint John Publishing from its principal shareholder Howard P. Robinson.

)[1] On December 3, 1986, the Canadian Radio-television and Telecommunications Commission (CRTC) denied an application by New Brunswick Broadcasting to convert CHSJ to 94.1 MHz with 100,000 watts.