Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KF6OWV callsign genealogy
Currently held by Schulberg, William P
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 KF6OWV's current licensee, walking backwards.
- Schulberg, William PCAgranted 2016-06-08cancelled 2016-06-28
Successor callsigns
Callsigns held now by people who previously held KF6OWV.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KF6OWV, oldest first.
- SCHULBERG, WILLIAM P CA1997-12-09 → cancelled 2009-12-10
- Schulberg, William P TX2026-07-25 active