Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ5ALX callsign genealogy
Currently held by Hudson, Frank 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 KJ5ALX's current licensee, walking backwards.
- Hudson, Frank TOKgranted 2026-04-09cancelled 2026-06-16
Successor callsigns
Callsigns held now by people who previously held KJ5ALX.
- IONESCU, MIRCEA RTXgranted 2023-05-23
All historical holders
Every license row we've seen with the callsign KJ5ALX, oldest first.
- IONESCU, MIRCEA R TX2023-04-01 → cancelled 2023-05-23
- Hudson, Frank T OK2026-06-16 active