Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AJ4BP callsign genealogy
Currently held by Marquez SR, Ernesto 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 AJ4BP's current licensee, walking backwards.
- Marquez Sr, Ernesto JFLgranted 1997-11-19cancelled 2007-08-28
Successor callsigns
Callsigns held now by people who previously held AJ4BP.
No current licensee on record previously held this callsign.