Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4TFL callsign genealogy
Currently held by PORTER, LUCIA F
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 K4TFL's current licensee, walking backwards.
- Killian, Anthony JGAgranted 2021-10-13cancelled 2021-11-13
Successor callsigns
Callsigns held now by people who previously held K4TFL.
- Killian, Anthony JGAgranted 2023-06-02
All historical holders
Every license row we've seen with the callsign K4TFL, oldest first.
- PORTER, LUCIA F VA2003-04-22 → cancelled 2015-07-21
- Killian, Anthony J GA2021-11-13 → cancelled 2023-06-02