Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5ZK callsign genealogy
Currently held by BIBB, CHARLES E
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 K5ZK's current licensee, walking backwards.
- Abbott, Bruce CTXgranted 2018-02-09cancelled 2018-12-15
Successor callsigns
Callsigns held now by people who previously held K5ZK.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5ZK, oldest first.
- BIBB, CHARLES E MS2006-09-27 → cancelled 2018-11-27
- Abbott, Bruce C TX2018-12-15 active