Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4UP callsign genealogy
Currently held by SMITH, ROBERT A
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 AF4UP's current licensee, walking backwards.
- SMITH, ROBERT AFLgranted 1997-05-28cancelled 2000-05-23
Successor callsigns
Callsigns held now by people who previously held AF4UP.
No current licensee on record previously held this callsign.