Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3OPT callsign genealogy
Currently held by BIDO, JOSE 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 KC3OPT's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KC3OPT.
- BIDO, JOSE LPAgranted 2020-01-14cancelled 2021-11-23