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

KQ4OS callsign genealogy

Currently held by BROWNLEE-CARPENTER, JOSEPH

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 KQ4OS's current licensee, walking backwards.

  1. AD4KYactive· E
    Humphrey, Earnie FKYgranted 2022-02-23
  2. W7FAYcancelled· E
    Humphrey, Earnie FKYgranted 2009-10-23cancelled 2011-12-09
  3. KF4GCPcancelled· T
    HUMPHREY, EARNIE FKYgranted 1996-01-18cancelled 1999-11-04

Successor callsigns

Callsigns held now by people who previously held KQ4OS.

  1. NC4Pactive· E
    BROWNLEE-CARPENTER, JOSEPHFLgranted 2022-04-30
  2. AD4KYcancelled· E
    WASHINGTON, JOSEPH GFLgranted 2003-07-09cancelled 2007-10-13
← Back to KQ4OS License history →