Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0FC callsign genealogy
Currently held by Facciolo, Claudio
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 K0FC's current licensee, walking backwards.
- Facciolo, ClaudioNJgranted 2024-06-05cancelled 2024-07-26
Successor callsigns
Callsigns held now by people who previously held K0FC.
- WARZEHA, GERALD JAZgranted 2016-07-13cancelled 2022-08-16
All historical holders
Every license row we've seen with the callsign K0FC, oldest first.
- WARZEHA, GERALD J AZ2016-07-13 → cancelled 2022-07-05
- Facciolo, Claudio CA2024-07-26 active