Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KI4MM callsign genealogy
Currently held by MURRAY, PATRICK 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 KI4MM's current licensee, walking backwards.
- MURRAY, PATRICK MFLgranted 2006-03-28cancelled 2015-10-20
Successor callsigns
Callsigns held now by people who previously held KI4MM.
- MURRAY, PATRICK MFLgranted 2022-11-08
All historical holders
Every license row we've seen with the callsign KI4MM, oldest first.
- CLAYTON, ROBERT H FL1999-11-23 → cancelled 2012-01-04
- MURRAY, PATRICK M FL2015-10-20 → cancelled 2022-11-08