Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC9EMY callsign genealogy
Currently held by JACOBSEN, JIM 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 KC9EMY's current licensee, walking backwards.
- JACOBSEN, JIM AWIgranted 1993-08-31cancelled 2003-07-09
Successor callsigns
Callsigns held now by people who previously held KC9EMY.
- JACOBSEN, JIM AWIgranted 2017-08-18