Confidence: Medium · Source: FCC ULS · As of 2026-09-14
K3JJM callsign genealogy
Currently held by MILLER, JOHN 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 K3JJM's current licensee, walking backwards.
- MILLER, JOHN JSCgranted 2016-03-29cancelled 2017-07-18
Successor callsigns
Callsigns held now by people who previously held K3JJM.
- MILLER, JOHN JSCgranted 2018-01-27cancelled 2019-02-02