Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ6ZJB callsign genealogy
Currently held by SAN DIEGO BLOOD BANK 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 KJ6ZJB'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 KJ6ZJB.
- WB1OODactiveSAN DIEGO BLOOD BANK AMATEUR RADIO CLUBCAgranted 2022-10-07