Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6CNN callsign genealogy
Currently held by Ferreira, Frank 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 W6CNN's current licensee, walking backwards.
- Ferreira, Frank JCAgranted 2001-01-09cancelled 2006-02-07
Successor callsigns
Callsigns held now by people who previously held W6CNN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6CNN, oldest first.
- RUTH JR, LEO W CA1998-03-12 → cancelled 2003-02-16
- Ferreira, Frank J CA2026-05-22 active