Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WB4DD callsign genealogy
Currently held by AGUERO GRANADOS, IBRAHIM A
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 WB4DD's current licensee, walking backwards.
- AGUERO GRANADOS, IBRAHIM AFLgranted 2007-09-13cancelled 2008-10-15
Successor callsigns
Callsigns held now by people who previously held WB4DD.
No current licensee on record previously held this callsign.