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

K4UW callsign genealogy

Currently held by DURST, DUANE A

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 K4UW's current licensee, walking backwards.

  1. NN1DXcancelled· E
    MUNRO, ROBERT BCTgranted 2023-02-11cancelled 2025-03-21
  2. W1IGactive· E
    Van Kirk, Eric TILgranted 2025-03-04
  3. KF0KYXcancelled· E
    Van Kirk, Eric TILgranted 2022-12-06cancelled 2025-03-04

Successor callsigns

Callsigns held now by people who previously held K4UW.

  1. W4FMMactive· E
    MUNRO, ROBERT BCTgranted 2025-12-09

All historical holders

Every license row we've seen with the callsign K4UW, oldest first.

  • DURST, DUANE A VA
    2014-01-08 → cancelled 2023-03-01
  • MUNRO, ROBERT B CT
    2025-03-21 → cancelled 2025-12-09
← Back to K4UW License history →