Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N7MWH callsign genealogy
Currently held by THOMPSON, HENRY 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 N7MWH's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N7MWH.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7MWH, oldest first.
- THOMPSON, HENRY R AZ2008-12-01 → cancelled 2020-12-03
- Hartman, Mark W WA2021-01-29 active