Confidence: Medium · Source: FCC ULS · As of 2026-09-11
AF4HT callsign genealogy
Currently held by Williamson, Larry S
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 AF4HT's current licensee, walking backwards.
- Williamson, Larry SGAgranted 2021-07-21cancelled 2021-08-23
Successor callsigns
Callsigns held now by people who previously held AF4HT.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign AF4HT, oldest first.
- HARTSOCK, SAMUEL R FL1998-01-26 → cancelled 2009-01-30
- Williamson, Larry S GA2021-08-23 active