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CHDI-FM

Edmonton, Alberta Canada
Broadcast area	Edmonton Metropolitan Region
Frequency	102.9 MHz
Branding	SONiC 102.9
Programming
Format	Modern rock
Ownership
Owner	Rogers Radio (Rogers Media, Inc.)
Sister stations	CHBN-FM, CKEM-DT, CJEO-DT
History
First air date	April 2005
Technical information
Class	C
ERP	100,000 watts horizontal 24,000 watts vertical
HAAT	272 meters (892 ft)
Transmitter coordinates	53°31′54.84″N 113°46′51.60″W / 53.5319000°N 113.7810000°W / 53.5319000; -113.7810000
Links
Website	sonic1029.com

CHDI-FM (102.9 MHz, Sonic 102.9) is a radio station in Edmonton, Alberta. Owned by Rogers Radio, a division of 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.

History

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.

Since the station was launched in 2005, ratings have been steady around a 6.0 share, peaking at an 8.0 share, 4th place station in spring 2007, however CHDI dropped to a 4.8 share in fall 2008, making it the 10th most listened to station in Edmonton. Upon inception of the new BBM Canada radio ratings devices, the PPM (Personal People Meter), Sonic has held a steady 8.0 market share and a top 4 or 5 radio station in the Edmonton market. A fact many in the Edmonton market knew to be more accurate with the audience, based on Sonic's prevalence with the listeners.

References

1. "Winter 2021 PPM Data". Retrieved 2021-04-17.
2. Broadcasting Decision CRTC 2004-135, Modern Rock FM radio station in Edmonton, CRTC, April 5, 2004
3. "Broadcasting Decision CRTC 2006-651". CRTC. Retrieved 21 March 2017.
4. RADIO MEDIA REPORT FINAL ver 2.xls
5. "RADIO MEDIA REPORT FINAL ver 2.xls" (PDF). Archived from the original (PDF) on 2007-02-03. Retrieved 2007-10-01.
6. BBM Canada Top-Line Radio Statistics - S4 2008 Archived 2008-12-02 at the Wayback Machine

External links

• SONiC 102.9
• CHDI-FM at The History of Canadian Broadcasting by the Canadian Communications Foundation
• CHDI-FM in the REC Canadian station database

• Radio stations in Edmonton
• Modern rock radio stations in Canada
• Rogers Communications radio stations
• Radio stations established in 2005
• 2005 establishments in Alberta