Where can I locate a list that shows what dec goes with what frequencies? Help
Dec = Decimal - it is the numerical ID for a talkgroup (not a frequency).
Complete information for Franklin county Public Safety System (which is what Columbus uses) can be found in the database here:
http://www.radioreference.com/apps/db/?sid=659
Welcome to the site, I suggest you explore around the database, you will find a wealth of information here.
Also if you are not familiar with how trunking works, you may want to read up on it in the "Wiki", just click on it inthe
menu bar at the top of this page.