Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SAH callsign genealogy
Currently held by NARDUCCI, PETER J
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 N1SAH's current licensee, walking backwards.
- Harrington, Sean AMEgranted 2024-04-10cancelled 2024-04-30
Successor callsigns
Callsigns held now by people who previously held N1SAH.
- NARDUCCI, PETER JSCgranted 2015-09-10
All historical holders
Every license row we've seen with the callsign N1SAH, oldest first.
- NARDUCCI, PETER J CT2004-04-08 → cancelled 2005-06-24
- HARRINGTON, SEAN A ME2024-04-30 active