uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-14

WA4OPQ callsign genealogy

Currently held by ARTHUR JR, WILLIAM K

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 WA4OPQ's current licensee, walking backwards.

  1. WA6OPQcancelled· A
    ARTHUR JR, WILLIAM KTNgranted 2010-10-26cancelled 2015-07-07
  2. KH6OPQcancelled· A
    ARTHUR JR, WILLIAM KCAgranted 2010-10-06cancelled 2010-10-26

Successor callsigns

Callsigns held now by people who previously held WA4OPQ.

  1. NV4Aactive· E
    Forbus, John TNCgranted 2018-10-10

All historical holders

Every license row we've seen with the callsign WA4OPQ, oldest first.

  • Forbus, John T NC
    2005-11-01 → cancelled 2008-12-30
  • ARTHUR JR, WILLIAM K TN
    2025-07-09 active
← Back to WA4OPQ License history →