Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KB1JWJ callsign genealogy
Currently held by O CONNOR, 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 KB1JWJ's current licensee, walking backwards.
- O CONNOR, JAMES MMAgranted 2026-03-04
Successor callsigns
Callsigns held now by people who previously held KB1JWJ.
- O CONNOR, JAMES MMAgranted 2026-03-04