Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ZTC callsign genealogy
Currently held by FELTNER, RICHARD H
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 W4ZTC's current licensee, walking backwards.
- NEGREIRA JR, SERGIO PFLgranted 2020-10-06cancelled 2021-04-13
Successor callsigns
Callsigns held now by people who previously held W4ZTC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ZTC, oldest first.
- FELTNER, RICHARD H GA2000-08-15 → cancelled 2012-11-07
- NEGREIRA JR, SERGIO P FL2021-04-13 active