Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N1TZF callsign genealogy
Currently held by D'Amico, Mark
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 N1TZF's current licensee, walking backwards.
- D'Amico, MarkNHgranted 2010-03-25cancelled 2012-08-07
Successor callsigns
Callsigns held now by people who previously held N1TZF.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1TZF, oldest first.
- FRAZIER, DAWN R NH1995-01-03 → cancelled 2007-01-04
- D'Amico, Mark NH2022-09-28 active