uls-tracker
Sign in
Confidence: Medium · Source: FCC ULS · As of 2026-09-12

K5SDB callsign genealogy

Currently held by BAUGHMAN, DWAYNE

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 K5SDB's current licensee, walking backwards.

  1. KC5QXFcancelled· G
    Blackwell, Steven DMSgranted 2016-10-25cancelled 2017-01-27
  2. KG5PSKcancelled· T
    Blackwell, Steven DMSgranted 2016-10-06cancelled 2016-10-25

Successor callsigns

Callsigns held now by people who previously held K5SDB.

  1. K5DDWactive· G
    BAUGHMAN, DWAYNEMSgranted 2015-01-03

All historical holders

Every license row we've seen with the callsign K5SDB, oldest first.

  • BAUGHMAN, DWAYNE MS
    2014-04-15 → cancelled 2015-01-03
  • Blackwell, Steven D MS
    2017-01-27 active
← Back to K5SDB License history →