Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC1MAC callsign genealogy
Currently held by mackey 559, brian M
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 KC1MAC's current licensee, walking backwards.
- Mackey, BrianRIgranted 2013-09-11cancelled 2013-10-01
Successor callsigns
Callsigns held now by people who previously held KC1MAC.
No current licensee on record previously held this callsign.