Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0BAL callsign genealogy
Currently held by Obourn, Robert L
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 W0BAL's current licensee, walking backwards.
- Obourn, RobertWAgranted 2024-03-19cancelled 2024-04-13
Successor callsigns
Callsigns held now by people who previously held W0BAL.
- OBOURN, ROBERT LKSgranted 2025-02-14