Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N7HDM callsign genealogy
Currently held by Moss, Henry D
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 N7HDM's current licensee, walking backwards.
- Moss, Henry DORgranted 2020-03-24cancelled 2020-04-18
Successor callsigns
Callsigns held now by people who previously held N7HDM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N7HDM, oldest first.
- ISAAC, JACK L WA1995-02-24 → cancelled 2007-02-27
- Moss, Henry D OR2020-04-18 active