Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF4ELK callsign genealogy
Currently held by Fierro, Anthony
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 KF4ELK's current licensee, walking backwards.
- Fierro, AnthonyUTgranted 2023-11-17cancelled 2023-12-08
Successor callsigns
Callsigns held now by people who previously held KF4ELK.
- REMMERT, DENISE BTXgranted 1998-01-07cancelled 2008-07-26
All historical holders
Every license row we've seen with the callsign KF4ELK, oldest first.
- Fierro, Anthony UT2023-12-08 active
- REMMERT, DENISE B— → cancelled 1998-01-07