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

W9BOB callsign genealogy

Currently held by FABISH, ROBERT P

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 W9BOB's current licensee, walking backwards.

  1. KD9QWOcancelled· G
    Rutkowski, Robert FILgranted 2020-11-12cancelled 2020-12-01

Successor callsigns

Callsigns held now by people who previously held W9BOB.

  1. AJ6TWcancelled· E
    KLINGER, ROBERT MMIgranted 2018-03-20cancelled 2018-05-18
  2. NZ9Ecancelled· E
    FABISH, ROBERT PILgranted 2012-03-10cancelled 2014-03-25

All historical holders

Every license row we've seen with the callsign W9BOB, oldest first.

  • FABISH, ROBERT P OH
    2008-12-23 → cancelled 2012-03-10
  • KLINGER, ROBERT M MI
    2014-05-06 → cancelled 2018-03-20
  • Rutkowski, Robert F IL
    2020-12-01 active
← Back to W9BOB License history →