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

W9QT callsign genealogy

Currently held by STOWELL, ROBERT M

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 W9QT's current licensee, walking backwards.

  1. W9MSScancelled· E
    Schweiner, Maxwell SWIgranted 2013-09-13cancelled 2017-12-22
  2. KC9YLGcancelled· T
    Schweiner, Maxwell SWIgranted 2013-03-01cancelled 2013-09-13

Successor callsigns

Callsigns held now by people who previously held W9QT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9QT, oldest first.

  • STOWELL, ROBERT M WI
    2007-03-20 → cancelled 2015-12-01
  • Schweiner, Maxwell S WI
    2017-12-22 active
← Back to W9QT License history →