Confidence: Medium · Source: FCC ULS · As of 2026-09-12
K1SMA callsign genealogy
Currently held by Killen, Jean S
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 K1SMA's current licensee, walking backwards.
- Killen, Jean SILgranted 2010-08-17cancelled 2010-09-10
Successor callsigns
Callsigns held now by people who previously held K1SMA.
No current licensee on record previously held this callsign.