Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO4WTL callsign genealogy
Currently held by Landen III, William 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 KO4WTL's current licensee, walking backwards.
- Landen III, William TNCgranted 2022-01-21cancelled 2022-02-08
Successor callsigns
Callsigns held now by people who previously held KO4WTL.
No current licensee on record previously held this callsign.