CHOK-AM, Sarnia

Sarnia Broadcasting Co. Ltd.

CHOK-FM195597.5250Sarnia Broadcasting Co. Ltd.
CHOK-FM194997.5250Sarnia Broadcasting Co. Ltd.


CHOK was granted a 250 watt FM licence.

CHOK-FM began broadcasting later in the year. The station was associated with CHOK-AM which had been on the air since 1946. Both stations were owned by Claude R. Irvine’s Sarnia Broadcasting Co. Ltd. Studios and offices were located at 148 ½ Front Street North in Sarnia. CHOK-FM broadcast on a frequency of 97.5 MHz and had a power of 250 watts.


CHOK-FM used an RCA transmitter.


Claude Irvine announced the appointment of Karl Monk as manager of CHOK. Monk had been commercial manager at CKWS in Kingston.


The CBC Board approved a transfer of control of Sarnia Broadcasting Co. Ltd. from H.M. Hueston and A.D. McKenzie to Claude R. Irvine.


CHOK-FM (1948-53) was lost in the big Sarnia tornado. It was never rebuilt and the licence was allowed to lapse in 1957.

The story continues elsewhere…
Effective September 1st 2019, we will only be adding new material to these station histories in exceptional circumstances. Our intent to chronicle the early days of these radio and television stations has been achieved, and many new sources and technologies, from the CRTC website to Wikipedia, and others, are now regularly providing new information in these areas.

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