Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4DYL callsign genealogy
Currently held by MARTINEZ, AMOS 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 K4DYL's current licensee, walking backwards.
- HACKNEY, CONSTANCE GNCgranted 1994-12-01cancelled 2004-08-10
Successor callsigns
Callsigns held now by people who previously held K4DYL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4DYL, oldest first.
- MARTINEZ, AMOS E VA1991-09-03 → cancelled 2003-09-04
- HACKNEY, CONSTANCE G NC2024-05-18 active