Confidence: Medium · Source: FCC ULS · As of 2026-09-14
W4NMN callsign genealogy
Currently held by HENDERSON, EDWIN R
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 W4NMN's current licensee, walking backwards.
- HAZELDEN, MARK DFLgranted 2014-06-06cancelled 2023-07-28
Successor callsigns
Callsigns held now by people who previously held W4NMN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4NMN, oldest first.
- HENDERSON, EDWIN R TN1994-08-24 → cancelled 2006-08-25
- HAZELDEN, MARK D FL2023-07-28 active