Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K5CJM callsign genealogy
Currently held by McMillan, Carlton J
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 K5CJM's current licensee, walking backwards.
- McMillan, Carlton JMNgranted 2000-12-23cancelled 2009-10-02
Successor callsigns
Callsigns held now by people who previously held K5CJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K5CJM, oldest first.
- McMillan, Carlton J MN2009-09-09 → cancelled 2009-09-14
- McMillan, Carlton J MN2019-08-14 active