Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AF5RC callsign genealogy
Currently held by COSTELLO, ROBERT L
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 AF5RC's current licensee, walking backwards.
- COSTELLO, ROBERT LTXgranted 2011-02-14cancelled 2011-05-10
Successor callsigns
Callsigns held now by people who previously held AF5RC.
No current licensee on record previously held this callsign.