Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZZB callsign genealogy
Currently held by Craft, Gary L
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 K4ZZB's current licensee, walking backwards.
- Craft, Gary LALgranted 2004-06-02cancelled 2007-10-30
Successor callsigns
Callsigns held now by people who previously held K4ZZB.
- Craft, Gary LALgranted 2017-11-15
All historical holders
Every license row we've seen with the callsign K4ZZB, oldest first.
- SACKETT, DAVID A SC1994-12-15 → cancelled 2002-12-26
- Craft, Gary L AL2007-10-30 → cancelled 2008-01-26