Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4CJE callsign genealogy
Currently held by Frederick County Sheriff Specialized Communications Team
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 KK4CJE's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KK4CJE.
- W4FCSactiveFrederick County Sheriff Specialized Communications TeamVAgranted 2021-07-02