Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZOT callsign genealogy
Currently held by WILLIS JR, ALVIN B
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 K4ZOT's current licensee, walking backwards.
- Packard, Glenn DGAgranted 2004-09-24cancelled 2010-05-18
Successor callsigns
Callsigns held now by people who previously held K4ZOT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ZOT, oldest first.
- WILLIS JR, ALVIN B NC1997-02-20 → cancelled 2009-02-21
- Packard, Glenn D GA2020-03-20 active