1983
Missinipi Broadcasting Corp. was formed when the federal government introduced the Northern Native Broadcast Access Program. The program was designed to enhance, protect and preserve aboriginal languages while allowing indigenous peoples to control their own communications.

1984
Missinipi Broadcasting Corporation’s first Board of Directors was elected. Headquarters were established at La Ronge.

1989
On April 27, Missinipi Broadcasting was granted a native-and English-language FM station at La Ronge, operating on frequency 89.9 MHz with an effective radiated power of 10 watts. The station would broadcast locally-produced programs.

When the station signed on the air, it was known as CJLR-FM. The LR in the calls: La Ronge.

On December 9, CJLR was authorized to increase effective radiated power from 10 to 50 watts and to relocate the transmitter to a site approximately 3.5 kilometres from the existing one. CJLR was also given approval to add a transmitter at Montreal Lake, operating on 89.9 MHz with ERP of 8.5 watts.

1994
CJLR was authorized to add a transmitter at Prince Albert on April 13. It would broadcast with 50 watts on 88.1 MHz.
 
1996
On September 11, the following rebroadcast transmitters were approved: Black Lake Reserve (10 watts at 91.7 MHz), Fond-du-Lac (17.8 watts at 89.9 MHz) James Smith Reserve (35.7 watts at 96.5 MHz), Shoal Lake Reserve (47.6 watts at 89.9 MHz).

1999
On December 17, CJLR was authorized to add transmitters at North Battleford and Beardys First Nation Reserve.

2001
The Meadow Lake transmitter was authorized on February 2. It would operate on 89.9 MHz with effective radiated power of 37.3 watts.

On September 17, approval was granted to change the North Battleford frequency from 94.7 to 95.5 MHz, increase the ERP from 49 watts to 28,000 watts, and relocate the transmitter to a site 20 km west of the existing one, and increase antenna height.

The Denare Beach transmitter was approved December 5 for operation on 91.9 MHz with ERP of 250 watts.
 
2005
On February 14, CJLR-FM-3 Prince Albert was authorized to increase ERP from 50 to 249 watts and decrease antenna height from 40 to 21 metres. Approval was also given to increase ERP of the La Ronge transmitter from 50 to 216 watts and to increase antenna height from 21 to 46 metres.

By the end of this year, CJLR-FM (MBC Network Radio) was heard in over fifty Saskatchewan communities on transmitters owned by Missinipi Broadcasting and other organizations, as well as on cable. The signal was distributed from the LaRonge studios to the various transmitters via a digital audio system up-linked directly to the Anik E-1 satellite. CJLR broadcast programming in English, Cree and Dene languages, with 25 to 30 hours of Aboriginal language programming per week.

2006
On October 25, CJLR-FM received approval for a rebroadcast transmitter at Yorkton. It would broadcast on a frequency of 92.9 MHz with an effective radiated power of 1,260 watts.

 2007
CJLR-FM received permission on May 28 to add a transmitter at Regina. It would broadcast on a frequency of 90.3 MHz with an effective radiated power of 43,000 watts.