Confidence: Medium · Source: FCC ULS · As of 2026-09-12
KC5SM callsign genealogy
Currently held by PALMER, JAMES T
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 KC5SM's current licensee, walking backwards.
- MC KEEL, CAROLYN SARgranted 2019-03-06cancelled 2019-11-13
Successor callsigns
Callsigns held now by people who previously held KC5SM.
No current licensee on record previously held this callsign.
All historical holders
Every license row we've seen with the callsign KC5SM, oldest first.
- PALMER, JAMES T LA2006-01-24 → cancelled 2018-04-24
- MC KEEL, CAROLYN S AR2019-11-13 active