Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB3ZZT callsign genealogy
Currently held by HIER, THOMAS R
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 KB3ZZT's current licensee, walking backwards.
- HIER, THOMAS RMDgranted 2010-05-03cancelled 2010-05-28
Successor callsigns
Callsigns held now by people who previously held KB3ZZT.
No current licensee on record previously held this callsign.