Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KK4ZC callsign genealogy
Currently held by SQUIRES, JEFFRY
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 KK4ZC's current licensee, walking backwards.
- SQUIRES, JEFFRYGAgranted 2012-07-23cancelled 2012-08-11
Successor callsigns
Callsigns held now by people who previously held KK4ZC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KK4ZC, oldest first.
- SQUIRES, JEFFRY GA1988-03-22 → cancelled 2000-03-23
- SQUIRES, JEFFRY GA2023-05-23 active