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

W9OT callsign genealogy

Currently held by WELSH, JAMES 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 W9OT's current licensee, walking backwards.

  1. KP4CHcancelled· E
    SERRANO, JOSE LINgranted 2023-03-25cancelled 2024-10-11
  2. WP4KLcancelled· E
    SERRANO ROSA, JOSE LPRgranted 2012-11-10cancelled 2013-05-21
  3. NP3JPcancelled· G
    SERRANO ROSA, JOSE LPRgranted 2005-01-25cancelled 2012-11-10
  4. WP4MWH
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W9OT.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9OT, oldest first.

  • WELSH, JAMES E WI
    1989-11-28 → cancelled 2001-11-29
  • GOESMANN, DENNIS D IL
    2012-09-20 → cancelled 2024-09-21
  • SERRANO, JOSE L IN
    2024-10-11 active
← Back to W9OT License history →