Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K9JMC callsign genealogy
Currently held by McCreary, James A
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 K9JMC's current licensee, walking backwards.
- Caruso Sr, James MPAgranted 2017-11-03cancelled 2018-11-10
Successor callsigns
Callsigns held now by people who previously held K9JMC.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K9JMC, oldest first.
- McCreary, James A IN2005-07-26 → cancelled 2017-07-27
- Caruso Sr, James M DE2018-11-10 active