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

KV4JS callsign genealogy

Currently held by JAWORSKI, PETER S

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 KV4JS's current licensee, walking backwards.

  1. AF3Tactive· E
    Zeroka, Daniel MPAgranted 2025-02-19
  2. AB3VUcancelled· E
    Zeroka, Daniel MPAgranted 2014-10-08cancelled 2015-02-03
  3. KC3DPJcancelled· E
    Zeroka, Daniel MPAgranted 2014-10-08cancelled 2014-10-24

Successor callsigns

Callsigns held now by people who previously held KV4JS.

  1. KV4JWcancelled· E
    JAWORSKI, PETER SVAgranted 2007-06-08cancelled 2013-01-23
← Back to KV4JS License history →