Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ4YFU callsign genealogy
Currently held by Pae, Andrew W
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 KJ4YFU's current licensee, walking backwards.
- Pae, Andrew WGAgranted 2004-08-23cancelled 2010-09-08
Successor callsigns
Callsigns held now by people who previously held KJ4YFU.
No current licensee on record previously held this callsign.