Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZAC callsign genealogy
Currently held by CONLEY, TIMOTHY J
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 K4ZAC's current licensee, walking backwards.
- CONLEY, TIMOTHY JTNgranted 1992-01-28cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held K4ZAC.
No current licensee on record previously held this callsign.