Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K0JMA callsign genealogy
Currently held by Andre, Jeanne M
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 K0JMA's current licensee, walking backwards.
- Andre, Jeanne MCOgranted 2010-04-30cancelled 2010-05-21
Successor callsigns
Callsigns held now by people who previously held K0JMA.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K0JMA, oldest first.
- MARTENS, WALTER J IA1991-09-24 → cancelled 2003-09-25
- Andre, Jeanne M CO2020-03-04 active