Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KG4SUO callsign genealogy
Currently held by Singleton IV, John 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 KG4SUO's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KG4SUO.
- Singleton IV, John TTNgranted 2024-10-22