Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1IOR callsign genealogy
Currently held by USS Cassin Young Amateur Radio Club
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 KB1IOR's current licensee, walking backwards.
The current licensee has not held any other callsign on record.
Successor callsigns
Callsigns held now by people who previously held KB1IOR.
- WW2DDactiveUSS CASSIN YOUNG AMATEUR RADIO CLUBMAgranted 2023-05-06