Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0NFL callsign genealogy
Currently held by Sivigliano, Matthew
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 K0NFL's current licensee, walking backwards.
- Sivigliano, MatthewCOgranted 2013-07-24cancelled 2013-08-13
Successor callsigns
Callsigns held now by people who previously held K0NFL.
No current licensee on record previously held this callsign.