ventura county

I haven't found any information related to radio Callsign/ numbering System of this sheriff's office. So, is anyone here aware of it? Thank you all in advance.

Ventura County moving to 7/800 P25 trunking system by 2020 Ventura County pursuant to Section 90.629 (A) (2) of the Rules and Regulation of the FCC , respectfully request authority for a five-year extended implementation period to complete construction of the 700 Mhz P25 trunked LMR system for...