Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5OLD callsign genealogy
Currently held by Diaz, Carlos L
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 K5OLD's current licensee, walking backwards.
- Diaz, Carlos LTXgranted 2016-07-13cancelled 2021-07-24
Successor callsigns
Callsigns held now by people who previously held K5OLD.
No current licensee on record previously held this callsign.