Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA1TT callsign genealogy
Currently held by DE JOHN, DAVID A
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 KA1TT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held KA1TT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA1TT, oldest first.
- DE JOHN, DAVID A FL1995-06-19 → cancelled 2007-06-20
- TAURO, ANTHONY R ME2019-07-03 active