Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1HR callsign genealogy
Currently held by HOLZMAN, STEVEN E
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 N1HR's current licensee, walking backwards.
- HOLZMAN, STEVEN ENHgranted 2007-12-21cancelled 2017-10-11
Successor callsigns
Callsigns held now by people who previously held N1HR.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1HR, oldest first.
- THORNBURG, DAVID L NM2005-09-08 → cancelled 2017-09-21
- HOLZMAN, STEVEN E NH2017-10-11 active