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

W9JAJ callsign genealogy

Currently held by SCHULTZ, WILLIAM H

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 W9JAJ's current licensee, walking backwards.

  1. KC9EMYcancelled· E
    JACOBSEN, JIM AILgranted 2013-09-19cancelled 2017-08-18
  2. N9IEOcancelled· G
    JACOBSEN, JIM AWIgranted 1993-08-31cancelled 2003-07-09

Successor callsigns

Callsigns held now by people who previously held W9JAJ.

No current licensee on record previously held this callsign.

All historical holders

Every license row we've seen with the callsign W9JAJ, oldest first.

  • SCHULTZ, WILLIAM H IL
    1997-03-05 → cancelled 2009-03-06
  • JACOBSEN, JIM A WI
    2017-08-18 active
← Back to W9JAJ License history →