Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7DEO callsign genealogy
Currently held by Vacanti, David C
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 K7DEO's current licensee, walking backwards.
- Vacanti, David CWAgranted 2025-07-01cancelled 2025-07-19
Successor callsigns
Callsigns held now by people who previously held K7DEO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K7DEO, oldest first.
- DONOVAN SR, ARNOLD M WA1995-01-10 → cancelled 2003-10-10
- Vacanti, David C WA2025-07-19 active