Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DZY callsign genealogy
Currently held by MC GILL SR, STEPHEN 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 K4DZY's current licensee, walking backwards.
- BOOKER SR, RONALD KNCgranted 2011-06-03cancelled 2013-04-19
Successor callsigns
Callsigns held now by people who previously held K4DZY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DZY, oldest first.
- MC GILL SR, STEPHEN K TX1996-10-10 → cancelled 2008-10-11
- Booker Sr, Ronald K NC2023-01-20 active