The scanner apps allow you to tap into the feeds from radio reference.
There is a user that has OKC FD running on here, so you just need to download the app and point to OKC and you should see my feed OKC PD and OKC FD
best of luck
Pro-97 Mobile Police and fire
PRO 163 police
Iphone OKC FD / PD
"Where there's fire there's smoke"