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

WU3U callsign genealogy

Currently held by McCormick, Curtis L

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 WU3U's current licensee, walking backwards.

  1. KC3HJPcancelled· E
    McCormick, Curtis LPAgranted 2016-06-24cancelled 2019-09-06

Successor callsigns

Callsigns held now by people who previously held WU3U.

  1. K5ETactive· E
    FINDLING, FREDKSgranted 2026-08-13

All historical holders

Every license row we've seen with the callsign WU3U, oldest first.

  • POLHAMUS, TIMOTHY R PA
    2007-08-17 → cancelled 2019-08-20
  • McCormick, Curtis L PA
    2019-09-06 active
← Back to WU3U License history →