Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4ZAM callsign genealogy
Currently held by MULLINS, CHRISTOPHER F
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 KA4ZAM's current licensee, walking backwards.
- MULLINS, CHRISTOPHER FVAgranted 1997-10-27cancelled 2005-02-05
Successor callsigns
Callsigns held now by people who previously held KA4ZAM.
No current licensee on record previously held this callsign.