Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC2EFB callsign genealogy
Currently held by UDREA, GHEORGHE
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 KC2EFB's current licensee, walking backwards.
- UDREA, GHEORGHEcancelled 1998-10-20
Successor callsigns
Callsigns held now by people who previously held KC2EFB.
- UDREA, GHEORGHENYgranted 2017-01-11