About radio

CISO-FM is a modern rock radio station based in Orillia, Ontario, Canada. Known under the brand 89.1 Max FM, owned by Bayshore Broadcasting. It initially launched in an adult contemporary format as Sunshine 89.1. Broadcasts a variety of programs, including talk shows, sports and news.

Slogan: "Alternative North"

Language: English.

Format: Adult Album Alternative, Rock, Modern Rock.

First air date: June 1, 2009 / Late 2010

Call sign: CISO-FM

Owner: Bayshore Broadcasting

Broadcast area Simcoe County

Sister stations

Hosts & Shows

  • Max Mornings Max Mornings Ozz & Dangerous Dave Weekdays | 6:00 AM - 10:00 AM
  • Scott Penfold Scott Penfold Weekdays | 10:00 AM - 3:00 PM
  • Bruffer Bruffer Mon - Thu, 3:00-6:00PM | Fri, 3:00-7:00PM
  • Fadi Fadi Mon - Thu | 6:00 - 9:00PM
  • Monday Night Metal Monday Night Metal Dave Sheldon Mon, at 9:00 PM
  • Pet of the Week Pet of the Week Thursdays in the noon hour
  • Loaded Radio Loaded Radio S.Penfold and Jules Thursday | 9:00 - 10:00 PM
  • Beyond the 89 Beyond the 89 DJ The Wilverine Saturday | 10:00PM - 1:00AM


Radio Max broadcasts in the following cities on FM:

  • Orillia 89.1 FM

Radio contacts

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