Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W0JBA callsign genealogy
Currently held by GUEST, JAMES M
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 W0JBA's current licensee, walking backwards.
- GUEST, JAMES MMOgranted 2012-12-29cancelled 2024-12-31
Successor callsigns
Callsigns held now by people who previously held W0JBA.
- GUEST, JAMES MMOgranted 2012-12-29cancelled 2024-12-31