Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AD5RF callsign genealogy
Currently held by DELGADO, OSCAR
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 AD5RF's current licensee, walking backwards.
- DELGADO, OSCARTXgranted 1998-07-06cancelled 2004-05-28
Successor callsigns
Callsigns held now by people who previously held AD5RF.
No current licensee on record previously held this callsign.