Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W6SJM callsign genealogy
Currently held by Marsh, Samuel J
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 W6SJM's current licensee, walking backwards.
- Marsh, Samuel JCAgranted 2024-12-27cancelled 2025-01-14
Successor callsigns
Callsigns held now by people who previously held W6SJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W6SJM, oldest first.
- RAMPTON, RICHARD L CA1998-02-26 → cancelled 2010-02-27
- Marsh, Samuel J CA2025-01-14 active