sioux falls fire dispatch

I listen to this feed a lot and it is quite a bit quieter than any other feed. Anyone know why this is? Anything that can be done? I have my speakers up all the way and I have to strain to hear.

I have the Sioux Falls Fire on my scanner and on there dispatch talkgroup I only hear it called out on it about two or three times a month at the most. Whenever the fire department gets called out I never hear it over there dispatch channel. But I do hear it on EMS. I know they get called out at...