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Confidence: Medium · Source: FCC ULS · As of 2026-09-14

W4PTT callsign genealogy

Currently held by NISSEN, ALAN

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 W4PTT's current licensee, walking backwards.

  1. KN4NX
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W4PTT.

No current licensee on record previously held this callsign.

← Back to W4PTT License history →