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

KL7MVX callsign genealogy

Currently held by HAEFKA, RANDELL W

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 KL7MVX's current licensee, walking backwards.

  1. K7MVXcancelled· G
    HAEFKA, RANDELL WMTgranted 2007-04-03cancelled 2011-01-28
  2. WB8MVXcancelled· G
    HAEFKA, RANDELL WMTgranted 1998-09-10cancelled 2007-04-03

Successor callsigns

Callsigns held now by people who previously held KL7MVX.

  1. K7ZVZactive· G
    HAEFKA, RANDELL WAKgranted 2026-05-30
← Back to KL7MVX License history →