Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1HWM callsign genealogy
Currently held by Martin, Howard 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 N1HWM's current licensee, walking backwards.
- Martin, Howard WCTgranted 2003-11-20cancelled 2004-06-05
Successor callsigns
Callsigns held now by people who previously held N1HWM.
- NELSON, DAVID HRIgranted 2023-09-19