Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AK4ZZ callsign genealogy
Currently held by Shoemaker, Timothy G
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 AK4ZZ's current licensee, walking backwards.
- Shoemaker, Timothy GFLgranted 2012-07-20cancelled 2012-12-08
Successor callsigns
Callsigns held now by people who previously held AK4ZZ.
No current licensee on record previously held this callsign.