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

KN0WN callsign genealogy

Currently held by GAFFNEY, BRIAN J

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 KN0WN's current licensee, walking backwards.

  1. W9GFFcancelled· A
    GAFFNEY, BRIAN JMNgranted 2017-08-01cancelled 2018-11-09
  2. WA9YUHcancelled· A
    GAFFNEY, BRIAN Jcancelled 1997-10-15

Successor callsigns

Callsigns held now by people who previously held KN0WN.

No current licensee on record previously held this callsign.

← Back to KN0WN License history →