Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W4ZAW callsign genealogy
Currently held by GRAHAM, KENNETH J
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 W4ZAW's current licensee, walking backwards.
- Oesch, ShannonNCgranted 2023-10-27cancelled 2023-11-17
Successor callsigns
Callsigns held now by people who previously held W4ZAW.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign W4ZAW, oldest first.
- GRAHAM, KENNETH J VA1988-02-23 → cancelled 2000-02-24
- Oesch, Shannon NC2023-11-17 active