![When will KOST-FM 103.5 switch to Christmas music for 2021? We have a theory – Orange County Register When will KOST-FM 103.5 switch to Christmas music for 2021? We have a theory – Orange County Register](https://www.ocregister.com/wp-content/uploads/2021/11/OCR-L-KOSTXMAS-1109-02.jpg?w=1024)
When will KOST-FM 103.5 switch to Christmas music for 2021? We have a theory – 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 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=511)
Former KOST-FM host Mark Wallengren says he's doing just fine one year after going off the air – Orange County Register
![Stream KOST 103.5 - QuickCode - KOST1035 by Zip-TheQuestionAnswerApp | Listen online for free on SoundCloud Stream KOST 103.5 - QuickCode - KOST1035 by Zip-TheQuestionAnswerApp | Listen online for free on SoundCloud](https://i1.sndcdn.com/artworks-000132502971-t595we-t500x500.jpg)
Stream KOST 103.5 - QuickCode - KOST1035 by Zip-TheQuestionAnswerApp | Listen online for free on SoundCloud
![KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a](https://pbs.twimg.com/media/DQU_E8UV4AI9fRn.jpg)
KOST 103.5 on Twitter: "LAST CHANCE! Contest ends at midnight tonight! For a chance to win a a 4-pack of tix, show us you're listening to KOST by tweeting or instagramming a
![Various Artists Lovesongs From the Kost 103.5fm (L.A. Radio Station) Audio Cd (2000): Amazon.ca: Music Various Artists Lovesongs From the Kost 103.5fm (L.A. Radio Station) Audio Cd (2000): Amazon.ca: Music](https://m.media-amazon.com/images/I/81PldYKj3yL._AC_SL1500_.jpg)
Various Artists Lovesongs From the Kost 103.5fm (L.A. Radio Station) Audio Cd (2000): Amazon.ca: Music
![Radio personality Ellen K talks about her life in radio from small-town Indiana to host of the KOST-FM morning show – Daily News Radio personality Ellen K talks about her life in radio from small-town Indiana to host of the KOST-FM morning show – Daily News](https://www.dailynews.com/wp-content/uploads/2019/08/LDN-L-ELLENK-005-0804-1.jpg?w=1024)