Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DCJ callsign genealogy
Currently held by HELMS III, WILLIAM F
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 K4DCJ's current licensee, walking backwards.
- HELMS III, WILLIAM FNCgranted 2012-03-12cancelled 2012-12-08
Successor callsigns
Callsigns held now by people who previously held K4DCJ.
- HELMS III, WILLIAM FNCgranted 2024-06-15
All historical holders
Every license row we've seen with the callsign K4DCJ, oldest first.
- STRAUSS, SAM E GA1989-01-31 → cancelled 2001-02-01
- HELMS III, WILLIAM F NC2023-10-19 → cancelled 2024-06-15