Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9JAB callsign genealogy
Currently held by BOARD, JEFFREY A
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 KC9JAB's current licensee, walking backwards.
- BOARD, JEFFREY AILgranted 2004-09-20cancelled 2004-10-09
Successor callsigns
Callsigns held now by people who previously held KC9JAB.
No current licensee on record previously held this callsign.