Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KJ4TYI callsign genealogy
Currently held by RICHARDS, CHRISTOPHER A
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 KJ4TYI's current licensee, walking backwards.
- Richards, Christopher ALAgranted 2023-11-22cancelled 2024-11-30
Successor callsigns
Callsigns held now by people who previously held KJ4TYI.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ4TYI, oldest first.
- RICHARDS, CHRISTOPHER A VA2010-04-07 → cancelled 2022-04-08
- Richards, Christopher A LA2024-11-30 active