Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N0ZRT callsign genealogy
Currently held by LARSEN, MARK H
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 N0ZRT's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held N0ZRT.
- LARSEN, MARK HUTgranted 2021-08-03
All historical holders
Every license row we've seen with the callsign N0ZRT, oldest first.
- JEWETT, PAUL W GA1993-12-21 → cancelled 2005-12-22
- LARSEN, MARK H UT2020-06-01 → cancelled 2021-08-03