Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1DMZ callsign genealogy
Currently held by TOENSING, SETH 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 N1DMZ's current licensee, walking backwards.
- TOENSING, SETH DMAgranted 2014-11-21cancelled 2014-12-19
Successor callsigns
Callsigns held now by people who previously held N1DMZ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1DMZ, oldest first.
- PEMBERTON JR, CHARLES A CT1997-01-13 → cancelled 2009-01-14
- TOENSING, SETH D VA2024-12-14 active