Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3OZB callsign genealogy
Currently held by Glidden, Jack
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 K3OZB's current licensee, walking backwards.
- Glidden, Warren JPAgranted 2013-09-20cancelled 2013-10-17
Successor callsigns
Callsigns held now by people who previously held K3OZB.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3OZB, oldest first.
- ARMSTRONG, WILLIAM J PA1997-05-15 → cancelled 2009-05-16
- Glidden, Jack PA2023-10-14 active