Many thanks to SRAA contributor Dan Greenall, who shares the following recording and notes:

Broadcaster: Radio Ghana circa 1971

Frequency: 11.850

Recption location: Ancaster, Ontario, Canada

Receiver and antenna: Hallicrafters S-52 using a longwire antenna

Notes: Back in 1971, Radio Ghana from Accra had an external service, this one beamed to North America and the Caribbean on 11.850 MHz shortwave. Here are two brief recordings of their drum interval signal followed by sign on in English.