Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF4A callsign genealogy
Currently held by HYATT, ROBERT G
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 AF4A's current licensee, walking backwards.
- WIENAND, GARY SFLgranted 1993-10-26cancelled 2000-06-09
- WD4DLYno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held AF4A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF4A, oldest first.
- HYATT, ROBERT G SC1988-04-26 → cancelled 2000-04-27
- WIENAND, GARY S FL2020-06-09 active