Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA4RLW callsign genealogy
Currently held by Wallace, Robert L
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 KA4RLW's current licensee, walking backwards.
- Williamson, Ryan LTNgranted 2024-12-10cancelled 2024-12-28
Successor callsigns
Callsigns held now by people who previously held KA4RLW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KA4RLW, oldest first.
- Wallace, Robert L FL1999-12-24 → cancelled 2011-12-28
- Williamson, Ryan L TN2024-12-28 active