Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K8JM callsign genealogy
Currently held by MILLETT, JOHN B
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 K8JM's current licensee, walking backwards.
- Mulligan, James JOHgranted 2014-05-29cancelled 2015-09-01
Successor callsigns
Callsigns held now by people who previously held K8JM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K8JM, oldest first.
- MILLETT, JOHN B KY2011-08-30 → cancelled 2013-08-11
- MULLIGAN, JAMES J OH2025-08-07 active