Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC3OPM callsign genealogy
Currently held by MALDONADO, OSIRIS P
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 KC3OPM's current licensee, walking backwards.
- MALDONADO, OSIRIS PPAgranted 2016-10-18cancelled 2017-03-03
Successor callsigns
Callsigns held now by people who previously held KC3OPM.
- MALDONADO, OSIRIS PPAgranted 2017-03-03cancelled 2017-11-07