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

W4CZZ callsign genealogy

Currently held by KLINE, HERBERT 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 W4CZZ's current licensee, walking backwards.

  1. W4SAIcancelled· G
    KLINE, HERBERTVAgranted 2016-06-30cancelled 2022-09-13

Successor callsigns

Callsigns held now by people who previously held W4CZZ.

  1. W4MGYactive· G
    KLINE, HERBERT MVAgranted 2023-06-06
  2. W4SAIcancelled· G
    KLINE, HERBERTVAgranted 2016-06-30cancelled 2022-09-13

All historical holders

Every license row we've seen with the callsign W4CZZ, oldest first.

  • KLINE, HERBERT M VA
    2004-06-30 → cancelled 2006-09-06
  • KLINE, HERBERT M VA
    2022-09-13 → cancelled 2023-06-06
← Back to W4CZZ License history →