Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF0SY callsign genealogy
Currently held by MC KENZIE, JAMES W
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 KF0SY's current licensee, walking backwards.
- KB0ACDno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KF0SY.
- MC KENZIE, JAMES WNEgranted 2015-12-25cancelled 2016-02-02