Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3NFY callsign genealogy
Currently held by Machajewski, Michael A
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 K3NFY's current licensee, walking backwards.
- Machajewski, Michael ANCgranted 2022-01-18cancelled 2022-02-19
Successor callsigns
Callsigns held now by people who previously held K3NFY.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3NFY, oldest first.
- MACHAJEWSKI, ALBERT J PA2007-09-14 → cancelled 2019-03-12
- Machajewski, Michael A NC2022-02-19 active