Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5DIO callsign genealogy
Currently held by Goolsby, Paul D
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 K5DIO's current licensee, walking backwards.
- Goolsby, Paul PARgranted 2021-10-12cancelled 2021-11-05
Successor callsigns
Callsigns held now by people who previously held K5DIO.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5DIO, oldest first.
- DUNCAN, CHARLES E LA1999-04-21 → cancelled 2011-04-22
- Goolsby, Paul D AR2021-11-05 active