Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5AOY callsign genealogy
Currently held by Amateur Radio User Group
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 K5AOY's current licensee, walking backwards.
Successor callsigns
Callsigns held now by people who previously held K5AOY.
No current licensee on record previously held this callsign.