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

W9YN callsign genealogy

Currently held by ROBERTSON, GILBERT E

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 W9YN's current licensee, walking backwards.

  1. KD9IQLcancelled· E
    Wolfe, William RAZgranted 2017-05-22cancelled 2025-12-09

Successor callsigns

Callsigns held now by people who previously held W9YN.

  1. W9CGactive· E
    Gutfrucht, Alan CILgranted 2023-11-10
  2. AB9UPcancelled· E
    EHRLICHER, ANDREW RILgranted 2008-02-22cancelled 2010-01-22
  3. W9LWcancelled· E
    EHRLICHER, ANDREW RILgranted 2007-03-06cancelled 2008-02-22

All historical holders

Every license row we've seen with the callsign W9YN, oldest first.

  • ROBERTSON, GILBERT E IL
    2000-07-28 → cancelled 2003-11-14
  • EHRLICHER, ANDREW R IL
    2006-02-04 → cancelled 2007-03-06
  • EHRLICHER, ANDREW R IL
    2008-02-22 → cancelled 2009-09-05
  • Herbert, Robert M IL
    2011-09-24 → cancelled 2023-09-26
  • Gutfrucht, Alan C IL
    2023-10-13 → cancelled 2023-11-10
  • Wolfe, William R AZ
    2025-12-09 active
← Back to W9YN License history →