Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K3BAL callsign genealogy
Currently held by Oswald, James
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 K3BAL's current licensee, walking backwards.
- Oswald, JamesDEgranted 2025-04-08cancelled 2026-01-09
Successor callsigns
Callsigns held now by people who previously held K3BAL.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K3BAL, oldest first.
- CAIN, MICHAEL M MD2012-03-02 → cancelled 2024-05-21
- Oswald, James DE2026-01-09 active