Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1CJM callsign genealogy
Currently held by More, Charles 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 K1CJM's current licensee, walking backwards.
- More, Charles JNVgranted 2019-10-29cancelled 2019-11-19
Successor callsigns
Callsigns held now by people who previously held K1CJM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign K1CJM, oldest first.
- YALMOKAS JR, JOSEPH A FL1998-01-27 → cancelled 2010-01-28
- More, Charles J NV2019-11-19 active