Editing CBO-FM (section)

==History==
'''CNRO''' was launched on February 27, 1924 as '''CKCH''' a [[Canadian National Railway radio network]] station, and adopted the CNRO call sign on July 16, 1924, in order to indicate its network affiliation.<ref name=hist/> The station was the first to broadcast the [[time signal]] from the [[Dominion Observatory]] in Ottawa, doing so daily at 9 p.m.<ref>{{cite web| url = http://www.cbc.ca/news/canada/newfoundland-labrador/the-beginning-of-the-long-dash-indicates-75-years-of-official-time-on-cbc-1.2823599| title = 'The beginning of the long dash' indicates 75 years of official time on CBC {{!}} CBC News}} </ref> It operated on 690 AM and later switched to 600. In 1933, the station was taken over by the CBC's predecessor, the [[Canadian Radio Broadcasting Commission]] and became '''CRCO''' on 880&nbsp;kHz. The call sign changed to '''CBO''' in [[1937 in radio|1937]] when ownership was transferred to the CBC.<ref name=hist>[http://www.broadcasting-history.ca/index3.html?url=http%3A//www.broadcasting-history.ca/listings_and_histories/radio/histories.php%3Fid%3D1302%26historyID%3D1289 CKCH/CNRO-AM  Ottawa] {{Webarchive|url=https://web.archive.org/web/20161220064932/http://www.broadcasting-history.ca/index3.html?url=http%3A%2F%2Fwww.broadcasting-history.ca%2Flistings_and_histories%2Fradio%2Fhistories.php%3Fid%3D1302%26historyID%3D1289 |date=2016-12-20 }} (1924–1937 - known today as CBO) at Canadian Communications Foundation</ref> Later frequency changes to 910 in 1941 and to 920 in 1977 (the latter accompanied by a power boost to 50,000 watts) <ref>Decision CRTC 75-18 The Ottawa Journal from Ottawa, · Page 17, January 22, 1975 [https://www.newspapers.com/newspage/48181272/ newspapers.com]</ref> were followed by a move to 91.5 FM in 1991.<ref name="Decision CRTC 89-835">[http://www.crtc.gc.ca/eng/archive/1989/DB89-835.HTM Decision CRTC 89-835]</ref> The call sign of the existing '''CBO-FM''' facility (103.3, part of the [[CBC Music|CBC Stereo]] network) was then changed to '''[[CBOQ-FM]]'''. From 1924, the station's studios were located on the sixth floor of the [[Château Laurier]] Hotel in downtown Ottawa, a legacy of its origins with the Canadian National Railway which had also owned the hotel. In 2004, the station left the Château Laurier, closing the oldest operating radio studios in Canada, and moved to the new [[CBC Ottawa Broadcast Centre]] on Sparks Street as part of a consolidation of various Ottawa CBC facilities.