Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC7JM callsign genealogy
Currently held by LOFGREN, JAMES C
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 KC7JM's current licensee, walking backwards.
- KA7CZMno FCC ULS record on file
Successor callsigns
Callsigns held now by people who previously held KC7JM.
- LOFGREN, JAMES CWAgranted 2020-07-31