Confidence: Medium · Source: FCC ULS · As of 2026-09-12
WH6JBO callsign genealogy
Currently held by Osburn, John B
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 WH6JBO's current licensee, walking backwards.
- Osburn, John BHIgranted 2021-02-08cancelled 2021-02-27
Successor callsigns
Callsigns held now by people who previously held WH6JBO.
- Osburn, John BHIgranted 2021-03-20