Confidence: Medium · Source: FCC ULS · As of 2026-09-14
AB9RD callsign genealogy
Currently held by Oliva, David C
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 AB9RD's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held AB9RD.
- Oliva, David CILgranted 2008-10-21cancelled 2017-04-12