System Name: CSI Systems
Location: Multiple, IN
County: 2 Counties
System Type: LTR Standard
System Voice: Analog
Last Updated: May 19, 2026, 21:22 pm UTC   [Updated System Description Text]
System Notes

7/25 - License for Osceola WPNX731 expired 7/27/24, but system is still active.

CSI Systems now appears to be named Byers Communication Services, or it may possibly use both names.

Sites and Frequencies

Red (c) are control channel capable frequencies
Site Name County Freqs
001 (1) Osceola St. Joseph 01 452.487502 N/A 03 N/A 04 N/A 05 452.687506 N/A 07 452.1875
   08 N/A 09 452.137510 N/A 11 N/A 12 N/A 13 452.887514 N/A 
   15 N/A 16 N/A 17 462.4875    
002 (2) Rochester Fulton 01 N/A 02 N/A 03 N/A 04 N/A 05 N/A 06 N/A 07 N/A 
   08 N/A 09 462.137510 N/A 11 N/A 12 N/A 13 N/A 14 N/A 
   15 N/A 16 N/A 17 463.6625    

Talkgroups

DEC Mode Alpha TagDescriptionTag
0-01-053AChkr City 53Checker City CabTransportation
0-05-054AChkr City 54Checker City CabTransportation