Confidence: Medium · Source: FCC ULS · As of 2026-09-14
NV1SN callsign genealogy
Currently held by KEYSER, JAMES A
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 NV1SN's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held NV1SN.
No current licensee on record previously held this callsign.