![Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register](https://www.ocregister.com/wp-content/uploads/2021/03/OCR-L-KOSTXMAS-1109-04-1.jpg?w=978)
Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register
KOST 103.5 - We love our listeners! Thank you @danekaleikini for sharing your one and only radio station in So Cal! We appreciate you so much! ♥️♥️♥️ #feelgood #ellenkmorningshow #kost1035 | Facebook
Excited for the iHeart Radio Music Festival? Oh, with a lineup like this—you bet I am! Mark Wallengren https://ihr.fm/2t3V3uC | By KOST 103.5 | Facebook
![KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp](https://s3-media0.fl.yelpcdn.com/bphoto/PGIikhArwp9Oked4qO348g/348s.jpg)
KOST 103.5 FM - 20 Photos & 48 Reviews - 3400 W Olive Ave, Burbank, California - Radio Stations - Phone Number - Yelp
![KOST 103.5, with help from Gwen Stefani and Santa Claus, turns on Christmas and holiday music format – Orange County Register KOST 103.5, with help from Gwen Stefani and Santa Claus, turns on Christmas and holiday music format – Orange County Register](https://www.ocregister.com/wp-content/uploads/2019/11/OCR-L-KOSTXMAS-1109-01-1.jpg?w=526)