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

W4JJW callsign genealogy

Currently held by WARREN, JEFFREY J

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 W4JJW's current licensee, walking backwards.

  1. W4PINcancelled· E
    WARREN, JEFFREY JVAgranted 2015-03-13cancelled 2020-04-10
  2. KV4XGcancelled· E
    WARREN, JEFFREY JVAgranted 2013-03-25cancelled 2015-03-13
  3. KK4PVJcancelled· E
    WARREN, JEFFREY JVAgranted 2013-03-25cancelled 2014-04-16

Successor callsigns

Callsigns held now by people who previously held W4JJW.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W4JJW, oldest first.

  • O NEAL, ROBERT B TN
    2005-02-01 → cancelled 2017-04-19
  • WARREN, JEFFREY J VA
    2020-04-10 active
← Back to W4JJW License history →