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

N5HK callsign genealogy

Currently held by KARN, HAROLD 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 N5HK's current licensee, walking backwards.

  1. WM2Wactive· E
    Duff, Brian NTNgranted 2019-12-03
  2. KD2SHVcancelled· E
    Duff, Brian NNYgranted 2019-06-24cancelled 2019-12-03
  3. KD2SHTcancelled· T
    Duff, Brian NNYgranted 2019-06-24cancelled 2019-06-25

Successor callsigns

Callsigns held now by people who previously held N5HK.

  1. WN3Ccancelled· E
    KARN, HAROLD JMDgranted 2009-05-27cancelled 2016-01-22

All historical holders

Every license row we've seen with the callsign N5HK, oldest first.

  • KARN, HAROLD J MD
    2006-09-14 → cancelled 2009-05-27
  • MAYS, WES TX
    2021-05-06 active
← Back to N5HK License history →