Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KA5DOX callsign genealogy
Currently held by Vizcarrondo, Richard
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 KA5DOX's current licensee, walking backwards.
- Vizcarrondo, RichardTXgranted 2017-12-28cancelled 2018-01-30
Successor callsigns
Callsigns held now by people who previously held KA5DOX.
- Vizcarrondo, RichardTXgranted 2019-04-19
All historical holders
Every license row we've seen with the callsign KA5DOX, oldest first.
- CHAPIN, CHARLES E MS1995-11-27 → cancelled 2007-11-28
- Vizcarrondo, Richard TX2018-01-30 → cancelled 2019-04-19