Confidence: Medium · Source: FCC ULS · As of 2026-09-12
AC8EF callsign genealogy
Currently held by Yao, Peter
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 AC8EF's current licensee, walking backwards.
- Yao, PeterOHgranted 2008-10-31cancelled 2009-06-09
Successor callsigns
Callsigns held now by people who previously held AC8EF.
No current licensee on record previously held this callsign.