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

AA4ZR callsign genealogy

Currently held by ZONGKER, RANDALL K

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 AA4ZR's current licensee, walking backwards.

  1. K4RKZactive· E
    ZAVETZ, RANDY KSCgranted 2022-08-16
  2. KI4NBAcancelled· G
    ZAVETZ, RANDY KSCgranted 2005-12-22cancelled 2012-08-04

Successor callsigns

Callsigns held now by people who previously held AA4ZR.

No current licensee on record previously held this callsign.

← Back to AA4ZR License history →