Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N4TDC callsign genealogy
Currently held by HOFFMEISTER JR, CHARLES E
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 N4TDC's current licensee, walking backwards.
- CARTER, TODD DSCgranted 2019-09-23cancelled 2020-04-21
Successor callsigns
Callsigns held now by people who previously held N4TDC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4TDC, oldest first.
- HOFFMEISTER JR, CHARLES E FL1998-02-25 → cancelled 2010-02-26
- CARTER, TODD D SC2020-04-21 active