Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1SW callsign genealogy
Currently held by PICHE JR, ERNEST 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 N1SW's current licensee, walking backwards.
- SHERMAN, CHARLES RVTgranted 2006-12-06cancelled 2011-02-05
Successor callsigns
Callsigns held now by people who previously held N1SW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1SW, oldest first.
- PICHE JR, ERNEST E RI2007-01-26 → cancelled 2009-01-14
- SHERMAN, CHARLES R VT2020-12-09 active