Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4ATD callsign genealogy
Currently held by DOMINY SR, JACK 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 KA4ATD's current licensee, walking backwards.
- Segui, ArnaldoFLgranted 2018-08-10cancelled 2018-09-07
Successor callsigns
Callsigns held now by people who previously held KA4ATD.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4ATD, oldest first.
- DOMINY SR, JACK E FL1988-07-19 → cancelled 2000-07-20
- Segui, Arnaldo FL2018-09-07 active