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

KH7AX callsign genealogy

Currently held by Crable, Joseph M

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 KH7AX's current licensee, walking backwards.

  1. KW4JCcancelled· E
    Crable, Joseph MHIgranted 2013-11-09cancelled 2014-05-20
  2. KH7DAHcancelled· E
    Crable, Joseph MHIgranted 2004-04-10cancelled 2013-11-09
  3. NH7TScancelled· G
    Crable, Joseph MHIgranted 2004-03-22cancelled 2004-04-10

Successor callsigns

Callsigns held now by people who previously held KH7AX.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign KH7AX, oldest first.

  • HERZOG, CHARLOTTE K HI
    1996-08-27 → cancelled 2008-08-28
  • Crable, Joseph M KY
    2024-04-11 active