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

N4SUY callsign genealogy

Currently held by VARDEMAN III, FRANK B

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 N4SUY's current licensee, walking backwards.

  1. W4VRIcancelled· G
    VARDEMAN, FRANK BWIgranted 2021-01-20cancelled 2026-06-02
  2. W0FBVcancelled· G
    VARDEMAN, FRANK BINgranted 2011-03-01cancelled 2011-04-15

Successor callsigns

Callsigns held now by people who previously held N4SUY.

  1. W0FBVcancelled· G
    VARDEMAN, FRANK BINgranted 2011-03-01cancelled 2011-04-15

All historical holders

Every license row we've seen with the callsign N4SUY, oldest first.

  • VARDEMAN, FRANK B WI
    2026-06-02 active
  • VARDEMAN III, FRANK B
    — → cancelled 1999-04-28
← Back to N4SUY License history →