CHDI-FM (102.9 FM, Sonic 102.9) is a radio station in Edmonton, Alberta. Owned by Rogers Sports & Media, it broadcasts a modern rock format. Its studios are co-located with its sister stations on Gateway Boulevard. As of February 28, 2021, CHDI is the 8th-most-listened-to radio station in the Edmonton market according to a PPM data report released by Numeris. The OK Radio Group Ltd. was granted this license in 2005 as one of three new FM stations in Edmonton. The station spent its first year broadcasting from a run down oil-field trailer on the property of the Airways Country Inn in Nisku, Alberta. The station founders wanted to get the station on the air as quickly as possible so it was decided they would broadcast from the trailer until their Gateway Boulevard studios were complete. Local media latched on to their "pirate" story, giving them a huge shot in the arm in their first year. In November 2006, Rogers Media acquired CHDI, and sister station CKER-FM. More information...
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