Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KB1JIN callsign genealogy
Currently held by Blue, David D
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 KB1JIN's current licensee, walking backwards.
- Blue, David DMEgranted 1993-02-23cancelled 2003-01-31
Successor callsigns
Callsigns held now by people who previously held KB1JIN.
No current licensee on record previously held this callsign.