Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5AMM callsign genealogy
Currently held by ROSALES, FAUSTINO
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 KC5AMM's current licensee, walking backwards.
- Mahler, Amber MLAgranted 2014-06-11cancelled 2014-07-01
Successor callsigns
Callsigns held now by people who previously held KC5AMM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5AMM, oldest first.
- ROSALES, FAUSTINO TX1998-04-22 → cancelled 2005-05-19
- Mahler, Amber M LA2024-09-10 active