Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3MJB callsign genealogy
Currently held by Bilbao, Marcos J
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 K3MJB's current licensee, walking backwards.
- BILBAO, MARCOS JNCgranted 2013-03-11cancelled 2013-03-29
Successor callsigns
Callsigns held now by people who previously held K3MJB.
No current licensee on record previously held this callsign.