Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TXZ callsign genealogy
Currently held by CLARK, JOSEPH K
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 K4TXZ's current licensee, walking backwards.
- CLARK, JOSEPH Kcancelled 1999-03-11
Successor callsigns
Callsigns held now by people who previously held K4TXZ.
No current licensee on record previously held this callsign.