Confidence: Medium · Source: FCC ULS · As of 2026-09-14
WA6KZS callsign genealogy
Currently held by MASON, O V
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 WA6KZS's current licensee, walking backwards.
- Zubro, John PCAgranted 2002-05-06cancelled 2004-01-24
Successor callsigns
Callsigns held now by people who previously held WA6KZS.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign WA6KZS, oldest first.
- MASON, O V AR1996-07-24 → cancelled 2002-11-04
- Zubro, John P TX2024-08-28 active