Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KD0TLJ callsign genealogy
Currently held by Crowley, Joyce 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 KD0TLJ's current licensee, walking backwards.
- KF0MSLcancelledSTAARIAgranted 2023-05-19cancelled 2025-07-25
Successor callsigns
Callsigns held now by people who previously held KD0TLJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KD0TLJ, oldest first.
- Crowley, Joyce A IA2023-05-02 → cancelled 2022-06-06
- STAAR IA2025-07-25 active