Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K0JCX callsign genealogy
Currently held by MORTENSEN, NANCY B
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 K0JCX's current licensee, walking backwards.
- MORTENSEN, NANCY BIAgranted 2009-10-14cancelled 2011-03-29
Successor callsigns
Callsigns held now by people who previously held K0JCX.
No current licensee on record previously held this callsign.