Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K7JMJ callsign genealogy
Currently held by Jensen, Jack 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 K7JMJ's current licensee, walking backwards.
- Jensen, Jack MWAgranted 2013-09-30cancelled 2013-12-24
Successor callsigns
Callsigns held now by people who previously held K7JMJ.
No current licensee on record previously held this callsign.