Confidence: Medium · Source: FCC ULS · As of 2026-09-14
N4KMJ callsign genealogy
Currently held by JOINER, KATHY 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 N4KMJ's current licensee, walking backwards.
- JOINER, KATHY MNCgranted 2015-05-04cancelled 2015-05-23
Successor callsigns
Callsigns held now by people who previously held N4KMJ.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign N4KMJ, oldest first.
- BLAIR, JACK F AL1994-09-07 → cancelled 2006-09-08
- JOINER, KATHY M AL2015-05-23 active