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

W4DJX callsign genealogy

Currently held by SUMMEY, JAMES M

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 W4DJX's current licensee, walking backwards.

  1. W7RDactive
    Dezert Ratz Radio ClubNVgranted 2022-12-23
  2. KK7JDMcancelled
    Dezert Ratz Radio ClubNVgranted 2022-11-16cancelled 2022-12-23

Successor callsigns

Callsigns held now by people who previously held W4DJX.

  1. KE4RKVcancelled· E
    Smith, Stephen LGAgranted 2021-08-10cancelled 2022-01-22
  2. NW4Aexpired· E
    Baker, Chris JTNgranted 2010-12-31cancelled 2023-01-04

All historical holders

Every license row we've seen with the callsign W4DJX, oldest first.

  • SUMMEY, JAMES M FL
    1988-09-27 → cancelled 2000-09-28
  • Baker, Chris J TN
    2005-01-14 → cancelled 2010-12-31
  • Smith, Stephen L GA
    2020-12-04 → cancelled 2021-08-10
← Back to W4DJX License history →