Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K4MWN callsign genealogy
Currently held by Nichols Jr, Marc W
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 K4MWN's current licensee, walking backwards.
- Naylor, Michael WSCgranted 2012-05-30cancelled 2021-08-28
Successor callsigns
Callsigns held now by people who previously held K4MWN.
- NICHOLS JR, MARC WALgranted 2012-02-29cancelled 2024-05-25
All historical holders
Every license row we've seen with the callsign K4MWN, oldest first.
- Nichols Jr, Marc W AL2001-02-06 → cancelled 2002-05-24
- naylor, mike W SC2021-08-28 active