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

W3JH callsign genealogy

Currently held by CLAYTON, JAMES B

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 W3JH's current licensee, walking backwards.

  1. WO3Sactive· E
    PETRY, ERIC APAgranted 2023-03-28
  2. AB3SAcancelled· E
    PETRY, ERIC APAgranted 2013-01-08cancelled 2013-05-07
  3. KE3HNcancelled· E
    PETRY, ERIC APAgranted 2013-01-08cancelled 2013-04-18
  4. N3IFB
    no FCC ULS record on file

Successor callsigns

Callsigns held now by people who previously held W3JH.

  1. W3AHactive· E
    CLAYTON, JAMES BVAgranted 2018-11-22

All historical holders

Every license row we've seen with the callsign W3JH, oldest first.

  • HEFFLEY, JOHN P PA
    1997-01-07 → cancelled 2009-01-08
  • CLAYTON, JAMES B VA
    2009-01-27 → cancelled 2009-02-18
  • Sone, Yoshiaki MD
    2020-12-15 active
← Back to W3JH License history →