Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5JWB callsign genealogy
Currently held by Duncan, Kaye
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 KC5JWB's current licensee, walking backwards.
- Black, Jerry WTXgranted 2015-09-25cancelled 2015-11-06
Successor callsigns
Callsigns held now by people who previously held KC5JWB.
- Duncan, KayeTXgranted 2021-09-09
All historical holders
Every license row we've seen with the callsign KC5JWB, oldest first.
- Duncan, Kaye TX1995-11-02 → cancelled 2001-09-22
- BLACK, JERRY W TX2025-11-21 active