Confidence: Medium · Source: FCC ULS · As of 2026-11-04
N3CEO callsign genealogy
Currently held by Vasquez, Rafael
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 N3CEO's current licensee, walking backwards.
- Vasquez, RafaelCAgranted 2026-08-27cancelled 2026-09-15
Successor callsigns
Callsigns held now by people who previously held N3CEO.
- GRANOFF, DAVID WNYgranted 2020-10-09
All historical holders
Every license row we've seen with the callsign N3CEO, oldest first.
- GRANOFF, DAVID W NY2008-04-28 → cancelled 2010-04-17
- Vasquez, Rafael TX2026-09-15 active