Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K7ACN callsign genealogy
Currently held by WIRTH, TERRY L
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 K7ACN's current licensee, walking backwards.
- Martinez, Mauricio JUTgranted 2025-12-05cancelled 2025-12-23
Successor callsigns
Callsigns held now by people who previously held K7ACN.
- WIRTH, TERRY LAZgranted 2018-04-24
All historical holders
Every license row we've seen with the callsign K7ACN, oldest first.
- Percival, John E WA2010-08-17 → cancelled 2022-10-29
- Martinez, Mauricio J UT2025-12-23 active
- WIRTH, TERRY L— → cancelled 1998-04-22