Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ACM callsign genealogy
Currently held by LUTZ, EDWARD G
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 K4ACM's current licensee, walking backwards.
- MARTIN, AUDREY CGAgranted 2010-07-29cancelled 2011-03-01
Successor callsigns
Callsigns held now by people who previously held K4ACM.
- LUTZ, EDWARD GCAgranted 2000-09-06cancelled 2001-06-26
All historical holders
Every license row we've seen with the callsign K4ACM, oldest first.
- LUTZ, EDWARD G CA1993-04-20 → cancelled 2000-09-06
- MARTIN, AUDREY C GA2021-02-04 active