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

W3AF callsign genealogy

Currently held by HOLLAND, SHERMAN F

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 W3AF's current licensee, walking backwards.

  1. W3IOAcancelled· E
    UITERWYK, ROBERT HPAgranted 2000-02-08cancelled 2000-10-31
  2. KB3EOLcancelled· T
    UITERWYK, ROBERT HPAgranted 1993-11-09cancelled 2000-02-08
  3. WB4IOAcancelled· T
    UITERWYK, ROBERT HFLgranted 1993-11-09cancelled 2000-01-20

Successor callsigns

Callsigns held now by people who previously held W3AF.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W3AF, oldest first.

  • HOLLAND, SHERMAN F MD
    1988-12-13 → cancelled 1991-03-01
  • Uiterwyk, Robert FL
    2020-08-13 active
← Back to W3AF License history →