Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KG4CNN callsign genealogy
Currently held by Woo-Sam, Phillip O
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 KG4CNN's current licensee, walking backwards.
- Woo-sam, Phillip OFLgranted 2019-01-31cancelled 2019-02-20
Successor callsigns
Callsigns held now by people who previously held KG4CNN.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KG4CNN, oldest first.
- WOOSAM, PHILLIP O FL1999-03-22 → cancelled 2011-03-23
- Woo-Sam, Phillip O FL2019-02-20 active