Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KC5DTX callsign genealogy
Currently held by RICKER, BILL A
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 KC5DTX's current licensee, walking backwards.
- Diaz, Roberto LTXgranted 2025-01-23cancelled 2025-02-11
Successor callsigns
Callsigns held now by people who previously held KC5DTX.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5DTX, oldest first.
- RICKER, BILL A TX1993-10-12 → cancelled 2005-10-13
- Diaz, Roberto L TX2025-02-11 active