Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KS0F callsign genealogy
Currently held by MACKEY JR, JOHN E
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 KS0F's current licensee, walking backwards.
- MACKEY JR, JOHN Ecancelled 1999-01-28
Successor callsigns
Callsigns held now by people who previously held KS0F.
- SANDERS, MICHAEL DMOgranted 2016-08-11