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

AB9CK callsign genealogy

Currently held by Hecko, John 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 AB9CK's current licensee, walking backwards.

  1. KB9WLHcancelled· E
    Hecko, John MINgranted 2000-10-19cancelled 2001-06-19
  2. KC4VGYcancelled· P
    HECKO, JOHN MKYgranted 1990-12-31cancelled 2000-06-08
  3. KC4UJL
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held AB9CK.

No current licensee on record previously held this callsign.

← Back to AB9CK License history →