Confidence: Medium · Source: FCC ULS · As of 2026-09-12
NA0W callsign genealogy
Currently held by Marten, James F
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 NA0W's current licensee, walking backwards.
- Marten, James FNEgranted 2017-12-19cancelled 2020-12-08
Successor callsigns
Callsigns held now by people who previously held NA0W.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign NA0W, oldest first.
- HILTON, GARY L MO2008-11-25 → cancelled 2020-11-20
- Marten, James F NE2020-12-08 active