Confidence: Medium · Source: FCC ULS · As of 2026-09-12
N1AMC callsign genealogy
Currently held by SPROUL, VINCENT R
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 N1AMC's current licensee, walking backwards.
- Kimura, William JNHgranted 2008-02-01cancelled 2009-04-07
Successor callsigns
Callsigns held now by people who previously held N1AMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N1AMC, oldest first.
- SPROUL, VINCENT R NH1995-01-12 → cancelled 2007-01-13
- Kimura, William J NH2009-04-07 → cancelled 2021-04-08