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Confidence: Medium · Source: FCC ULS · As of 2026-09-16

KO4ULK callsign genealogy

Currently held by GUILFORD, CHARLOTTE V

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 KO4ULK's current licensee, walking backwards.

  1. KC3HREcancelled· T
    GUILFORD, CHARLOTTE VGAgranted 2013-10-17cancelled 2021-11-04
  2. KD8QHYcancelled· T
    GUILFORD, CHARLOTTE VPAgranted 2013-10-17cancelled 2016-08-30
  3. KB8QAKcancelled· T
    Guilford, Gretchen VOHgranted 2003-09-20cancelled 2011-06-14

Successor callsigns

Callsigns held now by people who previously held KO4ULK.

  1. KQ4DZDexpired· T
    GUILFORD, CHARLOTTE VFLgranted 2013-10-17cancelled 2026-03-06
← Back to KO4ULK License history →