Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4CCS callsign genealogy
Currently held by Collier County Sheriffs Office Emergency Radio Service
The FCC publishes a previous_call_sign on
every amateur license — a self-link to the licensee's prior callsign.
Following those links produces the chain below.
Previous callsigns
Older callsigns held by K4CCS's current licensee, walking backwards.
- KQ4TMScancelledCollier County Sheriffs Office Emergency Radio ServiceFLgranted 2024-07-03cancelled 2024-07-26
Successor callsigns
Callsigns held now by people who previously held K4CCS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4CCS, oldest first.
- DULIN, EARNEST L SC2008-11-20 → cancelled 2021-02-11
- Collier County Sheriffs Office Emergency Radio Service FL2024-07-26 active