Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB3BLK callsign genealogy
Currently held by CROSS III, JAMES E
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 KB3BLK'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 KB3BLK.
- W3LRCactiveLAUREL AMATEUR RADIO CLUB INCMDgranted 2018-10-27