Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5ZA callsign genealogy
Currently held by WILLIAMSON, ROBERT T
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 AF5ZA's current licensee, walking backwards.
- WILLIAMSON, ROBERT TMSgranted 2014-04-15cancelled 2015-06-11
Successor callsigns
Callsigns held now by people who previously held AF5ZA.
No current licensee on record previously held this callsign.