Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K4ZCM callsign genealogy
Currently held by ARCHER, CHARLES 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 K4ZCM's current licensee, walking backwards.
- SEALE, STEPHEN KALgranted 2009-04-29cancelled 2009-05-22
Successor callsigns
Callsigns held now by people who previously held K4ZCM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K4ZCM, oldest first.
- ARCHER, CHARLES L FL1992-12-08 → cancelled 2004-12-09
- SEALE, STEPHEN K TN2019-02-28 active