Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N9DII callsign genealogy
Currently held by Gianniou, Christin J
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 N9DII's current licensee, walking backwards.
- Gianniou, Christin JWIgranted 2026-07-28cancelled 2026-08-15
Successor callsigns
Callsigns held now by people who previously held N9DII.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N9DII, oldest first.
- Gianniou, Constantine S WI2016-08-23 → cancelled 2024-08-13
- Gianniou, Christin J WI2026-08-15 active