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Confidence: Medium · Source: FCC ULS · As of 2026-09-12

N1SN callsign genealogy

Currently held by POULIN, JEFFREY M

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 N1SN's current licensee, walking backwards.

  1. KV4APcancelled· E
    POULIN, JEFFREY MVAgranted 1999-06-22cancelled 2001-07-28
  2. KF4JSVcancelled· G
    POULIN, JEFFREY Mcancelled 1999-06-22

Successor callsigns

Callsigns held now by people who previously held N1SN.

No current licensee on record previously held this callsign.

← Back to N1SN License history →