Confidence: Medium · Source: FCC ULS · As of 2026-09-12
W7BLZ callsign genealogy
Currently held by Kim-Biggs, John K
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 W7BLZ's current licensee, walking backwards.
- Kim-Biggs, John KCAgranted 2019-04-10cancelled 2020-12-05
Successor callsigns
Callsigns held now by people who previously held W7BLZ.
No current licensee on record previously held this callsign.