Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4ZAU callsign genealogy
Currently held by Wimberley, Jacob C
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 K4ZAU's current licensee, walking backwards.
- Wimberley, Jacob CTNgranted 2001-07-17cancelled 2002-03-07
Successor callsigns
Callsigns held now by people who previously held K4ZAU.
No current licensee on record previously held this callsign.