Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KO6A callsign genealogy
Currently held by LONG, LONNIE D
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 KO6A's current licensee, walking backwards.
- Pham, HubertCAgranted 2024-03-27cancelled 2025-08-08
Successor callsigns
Callsigns held now by people who previously held KO6A.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KO6A, oldest first.
- LONG, LONNIE D CA2013-06-12 → cancelled 2025-07-22
- Pham, Hubert CA2025-08-08 active