Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC0PO callsign genealogy
Currently held by Clapper Sr, George F
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 AC0PO's current licensee, walking backwards.
- Clapper Sr, George FCOgranted 2007-07-03cancelled 2009-07-14
Successor callsigns
Callsigns held now by people who previously held AC0PO.
No current licensee on record previously held this callsign.