Confidence: Medium · Source: FCC ULS · As of 2026-09-14
KJ1M callsign genealogy
Currently held by Kempe, James G
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 KJ1M's current licensee, walking backwards.
- Kempe, James GOHgranted 2015-08-14cancelled 2015-10-14
Successor callsigns
Callsigns held now by people who previously held KJ1M.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KJ1M, oldest first.
- DEMING JR, ARTHUR C CT2006-10-12 → cancelled 2013-09-24
- Kempe, James G OH2015-10-14 active